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Moment of Inertia
dimanche 30 mars 2014
How do I find the moment of inertia around the CoM of an object when the axis of rotation is not through the CoM?
When Are summation formula used in equations and what exactly constitutes a point mass? regarding moments of inertia?
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An Introduction to Quantum Field Theory (Peskin and Schröder) - Page 22
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but why?
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Can someone please explain this aspect of Interstellar
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Change in mass
Change overwrite cursor to insert TI-30x series
Changing my major from marketing to physics
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Charge inside of Conducting Shell
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Chat Groups?
Chat trivia is back and with a prize!
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Choosing Graduate Advisor: Finding ones Interests
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circuit to control the pulse width of digital signals
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Circular polarization and Read3D glasses
Civilian Nuclear Engineer at Naval Shipyard
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Comparison test
Complete Induction Proof
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Complex Wave Orientation Correction
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Components of vectors (polar coordinates)
composite function problem
Compressed nitrogen v flow rate question
Compressed sensing
Computer revolution
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Computing max tensile and compressive stress in a bar
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CONFERM FORMULA
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Connected
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Connection needed to define derivative of a vector field?
Connections between Linear and Rotational Quantities
Consecuences of leaving a CS major for physics.
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Conservation of charge
Conservation of current?
conservation of energy and Poynting vecrot
Conservation of energy in a capacitor
conservation of energy question
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Conservation of Momentum and Relative Velocities
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conservative forces?
Constant acceleration
Constant acceleration trajectory
constrained motion
Constraints on Inflation (Planck 2015 results XX)
Constructing S^3 from a S^2 and a bunch of S^1s?
Construction vs civil enigeering
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Continuing to Euclidean Space Justified in Path Integral?
Continuity at a point implies continuity in the neighborhood
Contradiction in thermodynamics problem?
Control design for PWM converter
Control Systems Engineering - Block Reduction Help
Control Theory State-Space method with derivative input.
Controling mirror movement with piezoelectric stage
Convergence of infinite series (e^(1/n)-1)
Convergence problem in ANSYS Workbench
Convergent Subsonic Ramjet Utilizing Shockwave Compression
Convert Prod of Sums to Sum of Prod
Convert program to binary
Converting intrinsic equation to cartesian
Coriolis Force Along the Surface of the Earth
Cornell
Corrosion in metal pipe carrying DC current?
Cosmologic "Chicken or Egg" query
Cosmological Constant
Could the expansion of space tear us apart?
Counting characters in fortran
Counting Wick ccontractions
covarient maxwell
covert tartaric acid to H2C2O4
Crank-Nicolson Example
Crazy Idea for Nuclear Waste Disposal
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Creating pressure with hot plate
Creating superimposed states in an Hydrogen Atom
Creation and annihilation operators
Creation of Time?
Creation/Anhilation Operator Commutation Relation
criteria for following
Critical angle for a box to start moving on an incline
Critical damping vs Overdamping
Critical points and of polynomial functions
Crush Valentines Day!
Cryptography indexing the hash and primeality testing
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Curiosity Question 1: Compression force from tension
Curious mind here
current and voltage in a circuit
Current in Two Loops
Current induced by magnet: maximize change in flux wrt time?
Current on a spring to withstand a weight.
Current required in a long wire
Current state of grad programs in UK for US student
current transformer for protection question
Curved-space Maxwell equations by differential forms?
Curves and tangent vectors in a manifold setting
curvilinear motion of force-couple system
Custom tick marks in matplotlib
Cycling - forces in a chainring
Cycling - forces in a chainring.
Cylindrical cavity resonator problem
d
D.E. Linear equation with integrating factor
Dalembert force and what the body "really" feels
Dark energy and the Cosmological Constant
Dark matter
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Dark Matter Question
data scrambler in simulink
David Bohm Holographic Universe
DC Arc Fault Detection Theory
DC current
De Broglie Wavelength at Relativistic velocity
De Sitter space
Dealing with creepy students as a TA
Death date calculator
decay problem
Decline PhD programs and refer a friend
Decoherence question
Decompose wave packet into eigenvalues of L2
decomposing angular velocity and moment of inertia
Decomposition of a Carbonate
Deep Inelastic Scattering
Defer Grad Admission for more Undergrad Time?
Define a steady state current...?
Defining Light and Electromagnetism in simple layman terms
Definite integral of greatest integer function
definite integral problem
definite integral question
Deflection of light around a massive body
Degree of Polynomial
delayed choice question
Delta T Analysis
Dense exoplanet atmosphere
Density function for a normal distribution
Density LHC vs. Cosmic Rays
Density of states
Dependence of Phase Velocity on Wavelength
Derivation of "heat" equation w/ diffusion and convection
Derivation of Jefimenkos Equation in Jacksons EMT book
Derivation of the Area Formula for Triangles Using Axioms
Derivation of the Continuity Equation for Fluids
Derivation of the equations of APF
Derivative of a function in FORTRAN
Derivative of natural log function questions
Derivative of P(x) = 0.2 -0.125e^(0.005x) for X=1
Derive equation for Energy of the Harmonic Oscillator
Derive grad T in spherical coordinates
Deriving Plancks law in terms of frequency from wavelength
Deriving the Magnetic Field from a Magnetic Dipole
Design a Logic Circuit
Design an integrator
design code for structural steel materials
Design of a Gear Reducer for a Tractor
Design the diode circuit
Designing a compressed air vehicle
Designing a Fantasy World - physics advice needed!
Designing with Thermal expansion in mind
Destructive interference Sound question
Detached train cart
Details of Renormalizations
Detemining boson
Determination of moment of inertia of a hollow cylinder
Determine probabilities involving exponential distribution
Determine the intensities of GaAs crystal planes
Determine the Rate of Change of Pressure Across a Valve
Determine work in circular motion
Determine work on a spring.
Determining Amplitude queries
Determining Coefficient of Kinetic Friction w/m
Determining speed and height on a roller coaster
Determining the heat transfer co-eff. for heat sink fin
Determining the magnitude?
Determining the oscillations of an electron within a sphere
Determining unknown Force
Developments in Shape Dynamics
Deviation of a gas from ideal gas behaviour
Diagram That Contains All The Different Kind Of Physics?
dicrete math math proof
Did I make a mistake? Intl. student visiting grad schools
Did space time be created at the Big Bang?
Dielectric effects confined inside the dielectric material?
Difference between Delta particles and protons and neutrons
Difference between dye and pigment
difference between emitter and collector?
Difference between equivalence and equality
Difference between integral calc and multivariable calc?
Difference between phonon and electron excitation
Difference between REF/RREF (Gauss vs Gauss-Jordan)?
Differences between Boltzmann and Fermi-Dirac distributions
Different orders for a phase transition (variable depending)
different wheel diameter
Differentiability in R2
Differentiability of the absolute value of a function
Differential equations and escape velocities
Differential Equations in simple mechanics?
Differential Forms
Differential probe for power
Differentials
Differentiator/Integrator circuits: Op-amp vs RLC circuits
Difficulties in the Computation of the Kretschmann scalar
Difficulty solving the following quadratic equation
Diffraction maxima
Diffusion current
digital vs analog info tx
Digitizing Trigonometry
Diophantine equations puzzle problem
Dirac and Majorana spinors for neutrinos
direction changes?
Direction cosine matrix of rolling disk on circular ring
Direction of a photon is fixed upon creation or observation?
Direction of friction acting on a rolling object
Direction of pressure in a Fluid
Disabling Tablet Traits of windows 8.1: Touchscreen
Disappeared science helpers
disappearing terms in electrodynamics boundary conditions
Discrete class D amplifier outputs low volume
Discrete math proof
discrete math question
Disk with catch
Distance of Jump
Divergence of the Electric Field
Divergence of vector field: Del operator/nabla
Dividing the CLK frequency by 8
division by zero
Do diabetics have sugary interstitial fluid?
Do electrons produce a constant magnetic field?
Do FCC Structures only have a CN of 12?
Do neutrinos and antineutrinos annihilate?
Do relative velocities in std config equal in value?
Do the brakes provide friction to tyres of bicycle/car?
Do the Euler-Lagrange equations hold for a time-dependent V?
Do we have a complete knowledge of the spectrum of light?
Do you consider both regular and rotational kinetic energy?
Do you have to be a genius to do nuclear/particle physics?
DoE/SULI acceptances?
Does a neutron star act like a big particle?
Does a scale *display* weight or mass?
Does an observers proper frame give a unique foliation?
Does anyone own Numerical Methods by Laurene Fausett?
Does definition of torsion depend upon the metric signature?
Does density affect sinking speed?
Does electromagnetic radiation actually carry kinetic energy
Does electromagnetic radiation actually carry kinetic energy?
Does every curve have a function?
Does gravity affect a magnetic/electric field?
Does increasing the frequency of an antenna require energy?
Does ionic crystals have total electric dipole moment?
Does kinetic energy increase the inertial mass?
Does light reach every single part of space?
Does quantization always work?
Does space-time have an energy itself?
Does standing tiptoes reduce the absortion of virabtions?
Does the expansion of the universe effect grav forces?
Does the Higgs Boson exist?
Does the human calculator stuff really work?
Does the space industry hire mathematicians?
Does time expand along with space?
Doing a Count in Access 2013 Query. How to?
Doing Physics instead of Medicine. Am I messing up?
Dont know how if the rule meter will be titled or not
Double Atwood machine
DOUBLE cannot convert the input expression into double array
Double Integrals in Polar Coordinates
Double majoring with physics?
Double Shear stress on a bolt
Double slit experiment and Interaction
double slit question
Double slit questions
Double Valve Spring
Doubt about a answer on a test
Doubts about nebulae and star formation
Drag and Lift Sensors for a Subsonic Wind Tunnel
Drawing and meshing involute bevel gears in CAD
Drawing the DC Model of a Circuit
Drawing three cards - combined probability
Drawing up a liquid by forward motion of a tanker
Drift in river boat problems
Drift velocity (Electricity)
drilled crank shaft
Drive Died... (arcing between pins on the PCBA)
Drumstick rebound.
Dumb What kind of Object is My PC/This PC in Windows 8.1?
dynamic mass/spring/damper
Dynamics assignment
E-field of cylindrical conductor above infinite ground plane
E=cB and electromagnetic energy density
E=hf as energy of a particle (other than photon)
Early CMB temperature?
Earmans "lost socks and green slime"
Earth and moon barycenter question.
Earth-Asteroid collision problem
Earths Inner-Inner Core
Earths rotation related to atmospheric motion
Economics NPV Problem
Ed Witten interview
Eerily Accurate Free Personality Analysis (Myers-Briggs)
Effect of a spring on equations of motion
Effect of Time Dilation on Visual Observations
Effects of emitter capacitor in the BJT CE amplifiers
Effects of Intermolecular Forces?
Effects of speedup capacitor.
Efficient aluminum foil heat transfer design
Efficient Neutron Sources
Effusion
Egg Drop
Ehrenfest paradox
eigenvalues of operator in dirac not* (measurement outcomes)
Eigenvectors of Inertia tensor
Einstein Equation
Einstein equation Quick Question
einstein field equation
Einsteins later thoughts on EPR
Elaborate reference on Wave motion
Elastic Limit
Elastic scattering of WIMPs off nuclei
Elecrtostatic discharge
Electric and magnetic fields
Electric charges
Electric dipole moment for a uniformly charged ring
Electric Displacement (Gausss Law)
Electric field above a circular loop
Electric Field above a cylindrical shell w/ charge density
Electric field at specific point
Electric field due to a distributed charge over a ring
Electric Field from Maxwells Equations
Electric field of a semi circle ring
Electric field on a point around a finite wire
Electric Field problem
Electric Fields through dielectrics
Electric Potential and Electric Potential E changes
electric potential at center of semicircle
Electric Potential Difference
Electric Potential Energy
Electric Potential Energy and Sign
Electric potential of hollow conducting sphere
Electrical Conductivity of Copper
Electrical Engineering (Cascoded Amplifiers)
Electrical Impedance
Electrical neutrality in radioactive decay
Electrical Properties of R11
Electricity and total current
Electricity. What kind of current should I use?
electrodynamics
Electrolysis System Work and Real Gas Law
Electromagnet to attract small iron pieces
Electromagnetic force
Electromagnetic force in different inertial frames
Electromagnetic induction
Electromagnetic Repulsion
electron acceleration in its lowest orbit
Electron Capture and Coulombs Law
Electron recoil due to photon emission
Electron recoil due to photon emssion
Electron shape
Electron traveling between two plates. Electric Fields?
Electronic engineering bachelor
Electronic Steam Tables Programs
Electrons and gases
Electrons and the Double Slit experiment questions
Electrons trajectory in positively charged hollow cylinder
Electrostatic force question
Electrostatics and electric shocks
Electrostatics Basics -- 2 plastic balls hanging on threads attract each other...
Elliptical Orbits In The Schwarzschild Metric
EM wave interacting with refelcting surface
EM waves generated by an oscilating dipole phase difference
EM waves in *Real* life
Email Notifications?
embed image into post
Emission radiance in participating media
Emitting vs. Reflecting
Energies of interaction
Energy balance. Physical interpretation of Q
Energy conservation and periodic motion
Energy conservation in Special Relativity
Energy Content of Steam: Variation with Pressure
Energy gained from induced current
Energy Help Advanced Level Help.
Energy stored in two loops of current
Energy units in the potential well problem
Energy-first approach to introductory physics
Energy-mass equivelance and the Higgs field
Energy-momentum tensor radiation-dominated universe.
Engineering
Engineering help
Engineering or Physics internship?
Engineering technician...good career choice? For sure
engines aggragated technical data for a presentation
entangled particle through double slit
Entanglement and Bell’s inequality Question
Entanglement as the fabric of space-time?
Enthalpy of reaction calculation?
Entropy change of van der Waals gas expansion
entropy change question
Entropy definition
Environmental Chem Homework
EOM for Pendulum hanging from spring
EPFLs claim about wave particle duality.
Epicalyx and sepal
Epsom Salts browning when dehydrating - burning or normal?
Equation of motion for a rotational mass and spring system
Equations of motion for a fixed-height inverted pendulum
Equatios of motion
Equilibrium and torque problem
Equilibrium at Universe (possible?)
Equilibrium of Particles
Equilibrium position of a charge between other 2 charges
Equilibrium problem - Vertical beam
Equivalence Principle Test Kits
Equivalence relation
Equivalent Resistance in series-parallel circuit
error in angular magnification calculation
Error propagation - partial derivative?
Error propagation for a sum of means
Escape velocity for Saturn (Introductory Mechanics)
Essential classes for physics major?
Estimates of the remainder in Taylors theorem
Estimating Milky Way Absolute Magnitude
Etanglement and Bells Inequality question
etc?
etc.
ethical?
Euler and the youth of mathematicians
Eulers Formula Proof
Evaluating indication of the wattmeter in three-phase system
even or odd
Every nonnegative real has an nth root proof
everyone
Everything engine building
Evolution toward a white dwarf
Excess electrons
Exercise proofreading about Fourier Series
Exercise: who does more work weight lifter/marathon runner
Expanding balloon analogy?
Expansion of bubble
Expectation value of 1/(1+x)
Expectation value of the square of Momentum
Experience with flipping your classroom
Experimental Black Hole Physics
Explain delayed choice quantum eraser without consciousness
explaining equation to stem class
Explanation of Torque in the precession of a top.
Express a series in sigma notation
Expressing electric field in cylindrical coordinates.
Extended Surfaces (Fins) Adiabatic Tip
Extension of measure on sigma-algebra
Extinction Spectrum?
extra courses for going from M.Eng to Physics
extra courses for physics grad school after Mech.Eng?
Extremely high current generators
Extremely large Black Hole discovered 900M years after BB
factorizing determinants and rules to simplify them
Failed first mathematical methods test
falling pot
Fan Descender Design Project
Fat Tails
Feedback and equilibrium between black holes and galaxies
feeling burnt out
Feeling inadequate
Feeling insignificant after watching space movies
FEM software
Fermi energy in metals approximately doubling
Fermi level concept
Fermi-Dirac distribution
Feynman Diagrams
Feynmans discoveries?
Fiber Bragg Gratings Reflection Co-efficient
Fiber bundles
Fiber optic loop
Fiber Optics Materials
fiber to the premises-- FTTP
Field effect transistors question
Field effect transistors question.
Figure management in Matlab
Figuring out largest load it can hold
Figuring out wavelength
Filling chamber air dynamics
Finally
find a combination of n and m
Find a point which satisfies 3x+2y+z=6 and x+4y+3z=3
Find all orthogonal 3x3 matrices of the form...
find angular magnification
Find area under a decay curve if half life is increasing
Find both the internal resistance of a battery and EMF
Find components of an E field perpendicular to a point
Find elements of a matrix such that its determinant is zero
Find F(7) and F(a^2-2) (a≥2) -- Simplify....
Find F(7) and F(a^2-2) (a≥2). Simplify.
find frequency of electromagnetic waves
Find Initial value such that solutions go to -infinity
Find Inverse of a Function
Find potential of a ball inside a grounded shell
Find Re(z)
Find tension as a vector on point A and point B
Find the actual sum of a fourier series at a given point
Find the curvature?
Find the electrostatic force
Find the equation of the tangent plane
Find the force of friction provided by the floor
Find the Magnitude of the Magnetic Field in a moving loop
Find the maximum value of this complex function
find the open circuit voltage for the RC circuit
Find the pattern: 12
Find the transition probability
Find theta angle in complex form
Finding a basis of a space
Finding angle between vectors
Finding angle required for equilibrium on a slope
Finding average angle in kinetic theory of gases
Finding Div and Curl of a Vector Field then evaluating a pt
Finding E Field at Point from non uniform charge density
finding lens information
Finding limitations for matrix
Finding mass from moment of inertia graph - inconsistency?
Finding mass of a meter stick using torque
Finding mass of acetyl salicylic acid in aspirin tablet
Finding particulate matter emissions
Finding period of any type of function
Finding poles for cauchys residue theorem.
Finding potential difference in a very long hollow cylinder
Finding potential to satisfy SE
Finding Real Zeros
Finding Resonant Frequency
Finding subpages without links
Finding tensor in QED
Finding the center of mass
Finding the coefficient of static friction on an inclined pl
Finding the current Io for t>0 in a RL circuit
Finding the exact value of a summation.
Finding the force in a Simple Harmonic Lattice
Finding the magnitude?
Finding the members of the Lie algebra of SO (n)
Finding the orthonormal basis for cosine function
Finding the scalar equation of a plane
Finding two possibilities of depth when volume is given?
Finding vapour pressure using compressibility chart
Finite difference method nonlinear PDE
Finite solutions of Brocard’s problem
Finite T transverse magnetization of transverse Ising chain
Finnaly
First Derivative
First experience with an NPN BJT
First Interstellar paper is out
First Order ODE
First photograph of light as both a particle and wave
Fitting a model to astronomical data
Fitting an ellipse through 3-d data
Fitting bacterial growth curve in Prism
Fitting distribution to histogram with low number of counts
Fixed point iteration
Fixing hazards in a logic expression.
flat / curved space metric component dependence on spacetime different locations?
Flat plate heat exchanger - Hand calculations help
flat/ curved space metric component dependence on spacetime different locations?
flat/ curved space metric component dependence on st diff?
Floating Earth Faults
Floor Loading of a structure....
Flow rate/pressure in a venturi
Flow Through a Tube
Fluid problem -- Piston moving in an oil-filled cylinder...
Fluid problem!
Fluids - Darcys Law
Fluke Recommendation
flux diode
Flux Direction effect on Saturation
Flux of Circuit made from Metal Bar on Parallel Rails
Flux Through a Non-Concentric Sphere
For animal lovers
For dog and puppy lovers
For kitten lovers
Force
Force applied? I think
Force between polar molecule and an ion
Force Field to Motion Equation
Force generated at caliper bracket while braking
Force of Big Bang
Force require to move water through a pipe?
Force required to change direction
Force required to hold a fire hose
Force to raise a cylinder over an edge
Forces and Laws of Motion
Forces and Newtons Laws
Forces on an Object
Forgetting things you have learnt in previous years
formula for Helmholtz Coil with a finite thickness?
Fortran - passing unknown array to subroutine
Fortran array help
Fortran Complex Exponential
Fortran If help
Fortran intersection of arrays
Fortran:store loop value in array
Four Hour Debate
Fourier and Hilber transform??
Fourier Series and orthogonality
Fourier Series Homework (Discontinuous Function)
Fourier Transform
Fourier transform - why we need it?
Fourier Transform and hilber transform
Fouriers method
free
Free Body Diagram
Free Energy Using Basic Rules Of Electricity
Free Physics Books
Freedom of speech and pseudoscience
Freezing point depression
Freezing Water with Nitrogen.
Frequency dependence of gravitational acceleration
Frequency of moving source
Frequency of sound waves from vibrating wire
Frequency oscillations and Plancks constant
friction and forces
Friction and Pulley
Friction and Pulleys
Friction is a Scalar
Friction query
Frobenius Solution to 2xy +5y -4xy = 0 at x = 0
from not obvious to obvious?
from observable to operators in QFT
from Portugal!
From which books of Mechanic Materials are these images?
FRW metric in higher dimensions (fast question?)
FRW. Dark energy
FTL Communication using entanglement
Fun
function and function
Function expression
Function notation and shifting functions
function of an accumulator with a pump
Functional Derivatives
Fundamental Theorem of Calculus
Funny pictures of politics and world affairs
Galilei and speed
gas fired water heater - sizing
Gas Laws Problem
Gate drivers for IGBT inverter: How to isolate V supplies?
Gauge invariance of electroweak lagrangian
Gauss law and parallel plates
Gauss Law and SHM
Gausss Law (Differential Form)
Gausss Law and SHM
General loop the loop problem...
General physics books?
General Relativity - Deflection of light
Generalized Dirac Equation for All Fermions?
Genetic algorithm
Genetic Algorithms
Geometric Optics Proof
Germanwings 9525 Crash in French Alps
get confused about time dilation
Getting into data science from computational physics?
Getting to Habitable Exoplanets
Getting worse at mental arithmetic
Getting xodeint from numerical recipes to work in dev-c++
Gibbs Enery
Gibbs free energy and equilibrium constant at a high T
Girlfriend asks going out while Im busy with my mind
Given Moment about a Pin and a Roller
Given T-symmetry
Glashow resonance (UHE neutrinos)
Globular cluster ejected from M87
Gluconeogenesis = fat or protein breakdown?
Gold And Silver
good absorber = good emitter?
good physics books
Good references for quantum spin chains
Got asked
GPA Requirements
Grad F of a level curve?
Grading curve ever surprise you?
Graduate Internship Decision
Graduate Physics student not sure what hes doing
graduate space physics programs
Grams of solute needed to lower vapor pressure of solvent?
Graph sol. of Dirac eq.
Graphene Information
Gravitational collapse
Gravitational Effect of Electromagnetic Radiation
gravitational equations used in model of orbiting bodies
Gravitational fields
gravitational force inside a sphere
Gravitational redshift
Gravitational waves in cosmology?
Gravity applies
Gravity from entanglement
Gravity instantaneous?
Gravity of Earth combined with centripetal force
Gravity on a trip to the moon
Gravity vs perfect vacuum
Grease supply to 4 seals with different pressure gradients
Great Book for Physics
Great physics jokes (pictures)
Green Woodpecker and Weasel
Greenhouse effect and earths surface temperature
Greens Function - modified operator
Greeting a Tinder date (and other related issues)
Greetings from Surrey!
ground state quantum no even-even odd-odd
Group Velocity Dispersion
group velocity of a wavepacket vs its mean phase velocity
guessing decay modes
Guidance in my quest for knowledge and understanding
guidance needed
guys.
Gyrocompass motion: Zero torque in the free axis
Haags Theorem in QFT
Hacks
Haiiii peeps
Hair dryer thermal energy
Half Wave-Plate: measurement contradicting theory
Hand Water Pump Mechanics
Hard Science Fiction
Hard to find some threads
harmonic oscillator in Heisenberg picture
Harness energy from temp. difference between Earth and space
Harnessing Radio Waves Project
Have you ever met anyone off this forum before?
Having extremely hard time letting go (serious viewers only)
Having trouble with some problems in my homework -- Balls being rolled and tossed
Hawking radiation prevents event horizon crossing?
Hawking radiation question
Health concern about lead on components
Heart rate vs. calorie burn
Heat dissipation in wires
Heat Exchanger Design Project
heat flow
heat properties
Heat time of steel in Watts
Heat transfer
Heat Transfer - Void Space Dynamic Insulation
Heat transfer and surface area of a pipe
Heat transfer from body through layers
Heat transfer from flame in pipe
Heat transfer radiation
Heat transmission calculation
heat unstable
Heating a metallic rod from one end by continuous heat flux
Heating a metallic rode from one end by continuous heat flux
Height and horizontal distance of a projectile
Height of Slope? Mass unknown
Heists
helicity flip for neutrinos
Hell hasnt frozen over
hello
Hello all!
Hello Beautiful World
Hello everybody
Hello Everyone
Hello everyone!
hello for starters...I have a question about water/elec
Hello from Saskatchewan
Hello PF
Hello physics people
Hello there..Im a Research studnt ..need ur help
hello world
Hello world changers
Hello World!!
Hello! Left my unfulfilling IT career for engineering :)
hello. new member. greetings
Helmholtz Coil Question
help calculating moments for a small crane-like machine
Help identify traits for Engineering Vs Research
HELp in Calculus
Help interpreting schematic with relay
Help me design an attendance process for lectures
Help me identify problem
Help me setup and solve double integral in polar coord.
help needed
Help needed for simulink
HELP NEEDED: Need to Purchase a Universal Testing Machine
Help on a tension related question?
Help on a torque question
Help please -- Problem of hydrostatics force in flat surfaces
Help please in matlab -- plotting a DAlembert wave equation
Help proving if a system is LTI?
Help to understand reversibility in galvanic cell
Help understanding flow of electricity
Help with a troublesome integral
Help with distance running formula
Help with First Order Differential
Help with gauge symmetry
Help with high school class selection...
Help with prototype
help with radioactive decay
Help with radius of curvature and refractive index of lens
Help with this please! (Temperature/Pitch question)
Help with trig identities
Help with view factors
Help with water pump calculations
Help? make o/w emulsion
Helpful courses outside of the physics degree requirements
Helping creating a few good topic sentences
Here are some astrophotos Ive taken lately
Hey Everyone!
Hey there
Hey there!
Hey there! Would appreciate some help...
Hi
Hi All! I am wondering whether physics is for me...
Hi can you help me in solving this from coordinate geometry?
Hi everybody
Hi everyone!
Hi folks!
Hi from Venezuela
Hi there
Hi there!
Hi There! I am looking for great connections with you all.
Hi! . . . have I finally found the right place?
Hi. New Member
hi/ho problem! -- Lens magnification
Higgs potential energy
Higgs-Z ditau decays
High redshift galaxies in the HUDF
Higher Order ODES
Hilberts sixth problem
Hillary Clinton Running for President
History of Data Analysis?
Hodge duality and differential forms
Hodge duality and some properties
Holding up a sign
Homemade Supercapacitor Capacitance test -- Help Please
Homework Help on Kirchoffs Laws and Magnetic Induction
Honda Africa twin
Horrendous SAT difficulty level in English?
Horsepower and Acceleration logic?
horsepower needed to lift 600 lb load
hour angle
Hover above the moon
How 2 calc force required to steer an articulated vehicle?
How a Battery Works?
How a current buffer transistor cancels the early effect.
How analog computers work?
How best to warm a cold attic
How big does a magnet need to be to move X amount of KGs
How can I adjust and fix the angle of a hatch?
how can i find the coefficient of kinetic friction?
How can I improve my writing posture?
How can I learn Physics and the necessary Mathematics?
How can I remove steam from exhaust gases?
How can I replicate conditions on pin on disc test
How can light absorbing material absorb for ever?
How can light absorbing material absorb forever?
How can one know what he/she is good at?
How can physics tie into 20th century European history?
How can we calculate universe diameter at a given time
How cathode is positively charged in voltaic cell?
How centripetal force is created?
How did Coulomb charge his spheres to verify Coulombs law?
How did Maxwells theory predict that c is constant?
How did we get the formula for torque?
How do I arrest a rotation at any angle
How do I become a better student?
How do i calculate an objects velocity along a vector?
How do I calculate the angle of rotation?
How Do I Determine the Change in Entropy of the System?
How do I figure out the change in enthalpy?
How do I represent this sine function?
How do I simplify this?
How do I use proof by contradiction to show that a concave function is always increasing?
How do people obtain the math for theoretical physics?
how do sacrificial electrodes work?
How Do Spinors Fit in With Differential Geometry
How do X-ray Binaries Form in Black Holes?
How do you chart the fourth dimension on a 3d plane?
how do you get 2 wires on AC out of phase by 180 degrees?
How do you make a glofish?
How do you seperate iron from clay?
How does a catalyst effect equilibrium?
How does a magnetic field affect an electrical field
how does clay pot cool water
How does enthalpy change
How does GPS correct for time dilation
How does length affect the bending of a horizontal beam?
How does light slide sideways?
How does regularity of curves prevent "cusps"?
How does split step Fourier method help four wave mixing ??
How does the circuit in a stun gun produce high DC voltage
How does the TV know
How does Time expand?
How does uncertainty apply to an electrons magnetic moment measurement?
How does uncertainty apply to electron mag mom measurement?
How does VLBI work?
How far bullet travels in 2
How good is HCN addition to aromatic conjugated aldehyde?
How important is an internship for a non-traditional student
How important is quantum theory to cosmology/astrophysics?
How is enthalpy not directily measurable?
how is the head-flow curve dependant on reynolds number
How is this H+ ion bonded when NAD becomes NADH +H+ ?
How is this solution derived?
How is this sound generated? / reverse engineer sound
How long must concrete slab cure before anchoring equipment?
How many electrons make up a charge of -90.0μC ?
How many elements in a hand-full of sand ?
How many hours
How many languages can you speak?
how much does the raft move with change of position?
How much energy does light transfer to an object?
How much energy is used in heating water?
how much gs creates a 100 lbs punch to the head?
How much power does my car actually need to maintain speed?
How much should my tax return be?
How much the gas has increased the speed of the plug?
How old is i? (Imaginary number)
How should I select a Calculus class?
How should I think about the emf?
how the atmosphere pressure is generated
How to analyze band structure and the density of states?
How to approximate the rate of growth of an integer seq?
How to approximate the rate of growth of an integer sequence?
How to arrange/draw circuit diagram from fixed resistances
How to arrange/draw circuit diagram from fixed resistances t
How to avoid capillary action
How to avoid lab during PhD thesis writing
How to be fast in reading and understanding ?
How to be fast in reading and understanding?
How to become a math tutor
How to calc force required to steer an articulated vehicle?
How to calculate efficiency of Newtons Method
How to calculate equation system in Matlab
how to calculate equivalent inertia of an engine?
How to calculate magnetic vector potential?
How to calculate the angles that define the position your arm is in
How to charge a low amperage battery?
How to classify coordinate as S-L
How to control the speed of 1.5 Volt motor?
How to counter "everything is a construct" worldview?
How to create game that renders 3D objects fast?
how to design a rpm and torque indicator from a fan?
How to draw a curve in Creo that is defined by an equation?
How to drop terms in a Lagrangian?
How to entangle nearly 3000 atoms using a single photon
How to explain the overdetermination of Maxwells equations
How to find a point on line of intersection of 2 planes?
How to find Coefficient of Friction w/ Fa and mass?
How to find moment at a certain point?
How to find the shortest distance to a hyperboloid
How to find the total dB of two sounds?
How to find the Wronskian on Ti-89?
How to generate a pulsed signal on a function generator?
How to get rid of laplace of pressure in an equation
How to get specific frequency and time values for .wav file
How to identify the curve at intersection of level surfaces
how to make liquid nitrogen
How to measure mass of earth
How to number nodal and anti nodal lines
How to photograph a diffraction pattern?
how to plot band structure?
How to prove Kirchhoffs loop rule?
How to prove problem is P or NP?
How to quantify relatively simple experimental errors
How to quickly survey an exoplanet before colonization?
How to relate mass defect to kinetic energies?
How to show an equation with nth number of iterations
How to simplify behavior of a field-effect transistor
How to Solve Exponents that also has a variable with it
How to solve for a function that is asymptotic to a sequence
How to solve for b in a= b mod q
How to solve for first integrals of motion
how to solve Riccati equation for nonlinear system
How to split up a photon-neutron beam?
How to stop worrying about your exam?
How to switch on and off capacitance on a piece of conducting material?
How to test a 1.5 pound magnesium anode
How to test a coil for shorts?
How to tune two different PID controllers in a same model?
How We (US) Lost in Iraq and Afghanistan
How were early galaxies formed?
how would neutrinos affect fusion?
Howdy
Howdy yall!
Hub
Hydraulic motor torque for a home-built flight simulator
hydraulic pump/motor
Hydrostatic Pressure on Curved Circular Surface
Hyperbolic tangent function for terminal velocity with v0>vt
Hyperbolic tangent function for terminal velocity with Vo>Vt
Hyperloop - essentially new transport
Hypotheses construction for significance testing
Hypothesis: Can a photon be predicted where it will hit?
Hypothetical FTL communication black-boxes and causality
I am confused about how multivariable calc works
I am thinking of switching from a Physics BS to a Math BS
I can has introducshun?
I have an incorrect solution
I NEED AN ANSWER FAST!
I need help - motor speed control
I Need Help Finding a Job!
I need to transpose for the value of Q
I say a big thank you :)
I want to design Missiles for the navy what should i study
I want to teach "Measurement" to grade schoolers
ID Harmonic Oscillator in a Consent Electric Field
Ideal gas law combined with vapor pressure
Ideal Gas Law Question
Ideal opamp analysis
Ideal Step-up transformer
identity by using gradient
Identity of a Weak Acid
IE Irodov equivalent for Maths ?
If f(z) holomorphic...show that f(z) is constant.
If for n-dimensions f>=0
If Ford had developed technology like Microsoft........
If space cannot be compressed
If T unitary show H hermitian (and the reverse)
If we can move at the speed of light
If You Could Tour The Solar System At The Speed Of Light!
Im a very noob undergrad
Im having trouble "reading" math
Im having trouble understanding Lorentz transforms
im mew here.
Im Milan from Bosnia!
Im new
Im not sure I want to go into the field Im going into
image and kernel of a matrix
Imagine you were spinning in space
Imagine you were to stop the Hubble Telescope from orbiting
Implementing Trapezoidal Motion Profile Using Discrete Method
implication
Implicit Differentiation: Differentiating in Terms of X
Importance of the frequency of AC mains power lines
Impossibilty of hidden variables (Bohm
Improving PC Performance by removing Services but without deleting restore points
Impulse and Collisions
Impulse Problem
In Gibbs Free Energy
In quite the predicament as a new TA
In Search of Causal Relationships
In what way is "dark energy" more than "none of the above"?
In what ways do high altitudes affect speed of sound?
Incentives Question
Incident Angle
Inclined Plane
Inclined plane and pulley: how to know the accelerations direction
Increase of dark energy with expansion of universe
Independence of Energy and Momentum Conservation
independently of G
Index Notation - Quick one-line working
Indian Institute of technology for astrophysics
indirectly measure if particle spin is in superstate or not?
Induced current from changing magnetic field
Induced EMF
Induced tension magnetic field (B)
Induction and flux linkage clarification
Inequalities. Special relativity.
Inequality - Maybe not so bad?
Inertia effects of components on a car vs mass fixed in car
infimum)
Infinite sum of sines
Infinite well potential - changed bottom
Influence of Sun to radioactive decays?
Information as the key underlying physical principle
Initial development of set theory and determinism in QM
Inmendhams DraftScience + Vloggerdome Invitation
Inside protons: origin of the sea quarks
Instantaneous Acceleration from a Velocity-Time graph
Insulin Resistance and Cell Signaling
Integral curve fitting in origin
Integral Equations - Greens Function
Integral of (x-1)/(x^2-4x+5)
integral of cos(1/x)
Integral Over all Space for Charge Density - Exponential Fun
Integral regulator MC7805
Integral with sine(x) and x multiplied
integrals of the function f(z) = e^(1/z) (complex analysis)
Integrate 1/x^2+80x+1600
Integrating factor vs. Laplace. Engineering problems
Integrating Net Force
Integrating Using a Substituation
Integration of Multiple Variables
Integration using Euler Substitution
Integration using substitution
Integration Using Trigonometric Substitution...Help Needed!
Interaction with Fields
Interesting article about dark matter
Interesting Derivative Proof Question
Interference viewed in the focal plane
internal combustion engine -- improving the efficiency
Internal Energy Change
Internal Force Diagram for Rigid Body and Distributed Load
Interpretation of differentiation results
Introduction to Electrostatics -- Positive charges at the corners of a triangle...
Introduction to Numbertheory
Introductory mathematical induction problem
Introductory textbooks for Supersymmetry?
Intuition and existence for convex neighbourhoods
Intuitive content of Loop Gravity-Rovellis program
Inverse of a cubic matrix
Inverse Piezoelectric Effect
Inverse Solubility of Solid Solutes
Inverted V Tail Simulation
Iraqi unrest
is "explicit modeling" strict subset of parametric CAD?
Is "Roswell metal" at all a possible material?
Is "Western thought" primarily Aristotelian or Platonic?
Is 4GB of VRAM overkill for 1080p gaming?
Is a bachelor in Physics a good idea for Engineering?
Is a math degree worth it
Is anyone investigating about High Energy Physics?
Is Cosmology a Branch of Physics or Astronomy?
Is electrical engineering just rote memorization? Or am I
Is energy conserved?
is f positive or negative
Is gravity really weak?
Is it common for physicists to trash data?
is it possible to have zero velocity and zero acceleration?
Is it possible to scientifically discuss the dream world?
Is it possible to stop time completely?
is it possible to take off like the birds?
Is it possible to understand GR and SR on your own ?
Is it worth studying geometry during my summer?
Is it worth taking notes for physics/math courses?
Is Loop Quntuam gravity plausible formulation of quantum gra
Is Loop Quntuam gravity plausible formulation of quantum gravity
Is magnifying thermal power density possible with decay heat
Is medical physics a good career option?
Is my blue the same as your blue ?
Is My Idea Valid? Nuclear Fusion Power
Is my understanding about energy correct?
Is polarised light a result of destructive interference?
Is propeller pitch more related to RPM than aircraft speed?
Is sl(3
Is the collapse of the particle wave function?
Is the difference of two state functions a state function?
Is the force that keeps the Earth spinning...
Is the graviton the only thing to find in LQG?
Is the Kronecker delta linear?
Is the speed of light truly constant?
Is the The National Academy of Future Scientists ... legit?
Is the Universe deterministic?
is the universe truly expanding?
Is the wave function the invariant thing?
Is there a limit to wind power?
Is there a relationship between amplitude response and phase?
Is there a see-through material with low outgassing rate?
Is there any hope that textbook prices will ever drop?
Is there any refined experimental result on flux quantum?
Is there any scope for an Electronics and Telecom Engineer?
Is there even a scientific reason for this...
Is there such thing as one bit of information?
Is this possible for hanging objects from spinning sphere?
Is this question on heat right?
Is this quote from Steven Weinberg right?
Is torture a game?
is true?
Ising Model and Partition FUnction
Isochoric Process with Unknown Ideal Gas
Isoparametric Formulation; its elementary
Issue with building a full-bridge Inverter
Issue with radiated field
IV curve for voltage across shunt for probe current
IV curve for voltage across shunt for probe current (Helimak experiment)
Japan Earthquake: nuclear plants part 2
Java: Reading in file into an array
Job Interview Advice
John Podestas greatest regret - government silence on UFOs
John Wheeler Biography?
Joint density function
Joule thief : number of turns around the ferrite core
just got external funding! what now?
Just how strong is the Air pressure
Just trying to complete new member info.
K-Maps Prime Implicates and Essential Minterms
KCl and node voltages
Killing Earth with a cosmic flashlight
Killing tensor/vector very basic context question about consevation
kinematic question Pls help
Kinematics in polar coordinates
Kinematics in Two Dimensions
Kinematics Question
Kinetic Theory of Gases Derivation
Kinetics question: calculating rate constants
Kirchhoffs law in LC circuit
Kirchoffs law question
Klein Gordon Equation in Quintessence Models
Klien-Gordon equation to solve 4-vector problem ? (Particle)
Koenigsegg Regera - acceleration
kronig-penney model
Lack of physical understanding of Noethers theorem.
Lagrange EOM for 2 masses on a string
Lagrange equation: when exactly does it apply?
Lagrange Multipliers
Lagrange remainder theorem
Lagrangian and hamiltonian mechanics
Lagrangian for released double pendulum
Lagrangian invariance
Lagrangian Problem
Laplaces s equation in spherical coordinates
Laptop Decision Help
Laptop hard drive turning on and off
Large crater in Siberia
Largest and smallest possible values of a probability quest
laser saturation and gain
last line sometimes not displayed
late start
Law of Mass Action
LCAO question
Leading lines of development in LQG
Least Squares Derivation—Simple Algebraic Simplification
LED specifications
Left Brained Vs. Right Brained?
length contraction test in electrical circuits
Length of a missing side no angle given :(
Lenses Question -- image is to be the same size as the object...
Lenzs Law and multiple tubes
Let [...] be a countable number of finite sets. Prove [...]
Letter of recommendation from father
Level set vs level curve
LHC about to restart - some frequently asked questions
Life expectancy of Aqueous Flux going LowZ
Life in universe
light -- how light particles can penetrate through glass?
Light and PV solar panels
Light clocks measure conformal time - detailed argument
Light clocks time
Light pipes - is there a limit
light speed is not constant or accurate
Lightning Rocket Fuel
Limit as it approaches 0
Limit of windpower
Limit quote length
Limited Resolution Question
Limits problem
Limits question
Line and neutral in spike guard
line changing color latex tikz
Linear Algebra
Linear Algebra Book Recommendation?
Linear Algebra Proof using Inverses
Linear Collisions
linear momentum physics project game ideas needed
Linear transformation D:P2 --> P2
Link between SR and a magnetic field
Links to Physical Turbulence
Lipschitz condition and Leibniz rule
List of Neutron Moderators
little confused with tensor index manipulation
Load for bolts
locally convergent
Locomotive
logical explanation for quantization
longtime lurker here
Look at one point - can you make the train change directions?
Looking for a cost-effective filter for fluorscence
Looking for an example of a Successive over-relaxation
Looking for rigorous General Chemistry textbook
Looking for rigorous text on dynamical systems
Looking for what I thought would be a simple Pereability Q
Loop the Loop with Frictional Work
Loops 15
Lorentz contraction in circular particle accelerators
Lorentz transf. of a spherical wave in Euclidean space
Lorentzian Manifolds in GR
Lost and unsuccessful engineer.
Lotka-Volterra model Eulers Method
Low tech telecommunications (light)
Low Temp Limit: Paramagnet v. Einstein solid
Low-Order Approximation of System
Lyman Hydrogen splitting
Lz and k
Macro-states and dice
Magnesium Reacting With Acids
Magnetic Field from a Single Electron
Magnetic Field inside plate
Magnetic field of hollow cylinder
Magnetic fields
Magnetic Fields / Force / Current
Magnetic Flux question from masteringphysics
Magnetic flux. Dont know where to start
Magnetic Force of a Right Triangle influenced by a Line
Magnetic force on a charge outside of toroidal coil
Magnetic levitation using alternating current
magnetic semiconductors
Magnetic-field energy question
Magnetising current of inductor and transformer
Magnetism of Solids
Magnitude of contact forces
Magnitude of force on point from wire
Magnitude of horizontal forces
Magnitude of velocity and impulse
main issues
Major Quake - M7.5 Now
Majoring in Philosophy to becoming a Software Developer?
Make an android app in eclipse using python.
Making a Nylon - Fibre Composite
Making a Voltron out of DNA
Making physics relevant in High School
Making use of Titan
Manifold/sub-manifold metric theorem Q- Schwarzschild metric
Many Worlds Interpretation
Mary Boas
Mass and Ring
Mass dimension of coupling constant -- always an integer?
Mass equivalence solved?
Mass needed for static equilibrium compound pulley system
mass of a moving proton
Mass of an electron
Mass on a spring.
Massive cable and massive pulley
Massless string pulled by a force
Masters Biophysics Canada
Material opaque to IR but transparent to visible light
Math and Chemistry?
Math in Moscow: Number of students per semester
Math Log problems
Math of environment-particle entanglement
math requirements of QM by J. J. Sakurai?
Math REUs 2015: SUMSRI or Fairfield?
Math teaching
Math Textbook Series
Math Textbook Series.
Mathematic subjects to self study.
mathematica code for multinomial expansion
Mathematical Methods in the Physical Sciences by Boas
Mathematical Physics vs Theoretical Physics
Mathematical QFT text
Mathematical solution needed for this biomechanics problem
Mathematics book thats not a textbook
Mathematics useful for Physics classes
matlab taylor series script
MATLAB: input arrays into function
Matrices and systems of equations
Matrices and wedge product concepts needed.
Matthiessens rule
Maximal duty cycle.
Maximum kinetic friction-combined with a projectile problem
Maximum shear stress on a given plane?
Maxwell distribution
Maxwell error -- simulating transformer core losses in transient "Current leak to the air"
Maxwell field in general relativity
May the Mass time Acceleration be with you!
Mean value theorem for trigonometric function
Meaning of the quantum field
Measurement of Hydrogen 1s 4s transition frequency
Measuring density with ultrasonics
Measuring rotational speed
Measuring Tension Between Train Carriages.
Mechanical Principles (Statics) help please
Mechanism of feeling hot
Medical Physics Residency backup plans
Meet a Mentor: D H
Member Photo Thread
mercury in air
Mere approximation problem or something else? Thermodynamics
Mesh Analysis KVl
Method of joints - Truss
Methods for Modeling 2d Rocket Flight
Metric tensor with diagonal components equal to zero
Micro- and Macroeconomics
Micro-cracks in Belgian RPVs
Microwave Engineering -- Noise figure of a cascade
Mind-Body Problem
Minimal force to turn over a tube
Minimal Surface between two different coaxial circules
Minimizing the maximum bending moment
Missing Matter Problem and Galactic Flows
mistake?
Mix steam with colder water
Mixing household bleach with urine
Mobility of 2D material
Model for Friedmann Equations
Modeling boiling in a closed container with a small hole
Modeling Hydrophobic Interactions
Models of the Reals of All Cardinalities and Equivalence
Mods deleting threads
molar enthalpy
Moment of Area
Moment of inertia at CoP
Moment of inertia of a solid sphere
Moment of Inertia of a Square: Problem with Certain Method
Momentum
momentum cutoffs free field theory
momentum operator eigenstates/eigenvalues
Momentum operator in curvilinear coordinates
Momentum-Parity
Momentum: Jumping on a trampoline
Monatomic Hydrogen Ion Gas
Monday morning funny - Friends are like .........
Monopole Mass Musings...?
moon
More Connected Capacitors
More evidence that the wavefunction is ontologically real?
More Valuable To Programming Employers? Math PhD Or XP?
Morris Klines book good for multivariable calculus?
Most general order-preserving function
Motivations for the C*-algebra of observables?
Motor that can move possibly up to 4kg
Movement of particles on vibrating plate
Movies on interstellar travel
Moving stars (light spectrum)
MQF or PhD physics? Decision for Fall 2015
MSc in London
MSE
Multifractals
Multiplayer Refraction
Multiple linear regression
Multiple RLC problems
Multipole expansion
Multivariable Continuity
Multiverse and Eternal Inflation Disproved?
My favored scientist quotes
My sourdough tastes like onions
Mystery of strange radio bursts from space
Mythbusters: Blow your own sail
n-body simulation
Nanofabrication in the automotive industry?
NASA: Well find signs of alien life by 2025
NASAs Solar Dynamics Observatory
natural connection
Natural Frequencies and Harmonics
Natural frequency of 3 coulomb force bound particles in EF
Natures actors
Neanderthal fossils... never frozen?
Near-instant Acceleration / Clocks
need a push
Need Advice from Engineers (ME
Need clarification on adiabatic process and heat capacity
Need data for galactic rotation curves
need help
need help ASAP!(Due in hour)
Need help creating a gasoline electric bike
Need help in applying Binomial Aproximation when y>>L?
Need help in thermodynamics!!!
need help please
need help re: air pressure to fluid pressure
Need Help with a mechanical engineer
Need help with Calculating Averages
Need Help with physics note
Need some good physics textbooks
Need suggestions on transfering compressed air to rotating o
Need to find the length and deflection of bending element
need to improve)
Needlestick Prevention
negative pressure or density?
neglecting brownian motion for certain particle diameters?
Neural Net to play tic-tac-toe
Neutral intermediate boson to neutrinos are flavor preserving
Neutrino mass paper
Neutrino physics book
Neutron diffusion around thin absorber
Neutron flux in ITER
Neutron Isomerie
Neutrons in electromagnetic fields
New Calc student w/ a derivative question
New experimental proof of wave-function collapse?
New guy!
New help in contourf matlab
New Horizons
New Horizons NASAs mission to pluto
New Member
New member from Houston
new member here
New member HMatsu
New Member Saying Hello!
New member!
new member/student here
New to this
Newbie :)
Newbie just arrived
Newbie to the nerd mecca :)
Newtons argument
Newtons First Law of Motion
Newtons first law question.
Newtons gravitational formula wrong?
Newtons Method generalized to 3 dimensions
Newtons second law (friction and pulley)
Newtons Second Law. Involving an airplane.
Newtons to Watts to Joules
Nice to join you!
no cycles in permutation N... how to calculate sgn(N^2)?
No idea how to word this. Finding the gradient with vector?
No ping in online video games
No Sound out of Windows 8.1 PC
No such thing as instantaneous speed?
Nodal Analysis
Nodal lines and single slit experiment
Nodes in a standing wave and energy transmittance
non-constant Cosmo-Constant (controversial?)
Non-ideal opamp
Non-separability : basis dependent
Non-Uniform Charge
None Gauge forces
Nonrelativistic free particle propagators
normal force
Normal Force (Reaction Force)
Normal force cancels out the force of gravity?
Normal shift
Normal-Tangential Coordinate for Ball Moving in Circle
Normalization and expectation
Normalizing Wavefunction on a Ring
Not sure where else to ask this -- Can I teach myself Diff Eqs?
Nova in Sagittarius
Nuclear and Theoretical Physics
Nuclear energy in USA: why only 19%
Nuclear Engineering vs Mechanical Engineering
Nuclear Form Factor - Scaling
Null
Number of escalator steps
Number of Events Detected (Neutrino Collisions)
Number of linearly independant motions
Number of ways to fill 3 boxes with 5 balls
Number theory GCD relatively prime question
Numerical Approximation and addition of new data points
Numerical Integration for Magnetic Field of a Loop of Wire
numerical solving convection-diffusion problem
NY Times: Researchers Report Milestone in Quantum Computer
Objects in Mirror closer than appear Concave or Convex
Obtaining a maximum resistance given a set of resistors
Ode45 for solution of 4 d.o.f. problem
of pure learning for bachelor degree?
Ohmic contact or not?
Ok
Olá
old
on average
On posting handwritten images of questions over typing them up.
on standardization of normal distribution
On the dimensions of the natural world
On the origin of fermionic field.
On the orthogonality of Sturm-Liouville eigenvectors
On what does the cfm of fan depend?
Once bitten
one liners
One Picture
One submersible water pump and two tanks?
onformation
online
Online_Courses VS Texts/Manuals
only one R value known
Op-amp Circuit with virtual Ground
Opamp shaping amplifiers
Open Access Publishing
Operators for comparing superposition components; definable?
Operators for measuring superposition component distinctnes?
Opposite NPN transistor
Optical Character Recognition using Neural network
Optical Computing questions...
Optics - Newtonian telescope
Optimal Dragster Exhuast Pipe Angle
Optimize code for a blob-detector (MATLAB)
or Brandeis?
Orbital Shielding
ORC Heat Recovery Hybrid Electric Vehicle
Order of Math and Physics Courses
Origin of harmonics in Helmholts-type resonators
Orion and comet Lovejoy Q2
orthogonal coordinate systems - scale factors
Oscillating current along antenna
Osmolarity calculations
Osmotic pressure=hydrostatic pressure in Ushaped tube
Outlook for imaging physicists
Output waveforms with a clamped capacitor
Owning a Duplex and Attending Grad School
Panel Discussion on Communicating Science
Paper: Attention decay in science
Papers on Calculus of Variations
Parachute Problem
Parallel Mutual Inductances
Parallel RL circuits
parameters-assign-matrix option disappear
parity conservation
Particle acceleration and eVs question from a newbie
Particle decay/Four momenta
Particle Model of Thermal Energy questions
Particle Physics Self-Study
Particles loss of energy
Path integral formula so hard
Path of a Projectile in Polar Coordinates
Path Of Least Resistance
Path of the end of a string wrapping around cylinder
pd accross capacitance
peak of cross section
Pendulum forces component form
Pendulum Question?
Performing Integrations over Moduli Space for String Theory
perimeter institute 2015 summer undergrad program
Period of oscillation
Period of the motion
permeability of a filter
Perpendicular geometric objects
Persistence
Peskin p. 160
PF
PF Photo Contest - Its The Beatles!!!! (2/21-2/27)
PF Photo Contest - Life Is A Highway (1/31-2/6)
PF Photo Contest - Pi Day (3/14-3/20)
PF Photo Contest - Red Eye Gravy (2/28-3/6)
PF Photo Contest - Spinning Like a Top (3/21-3/27)
PF Photo Contest Winners
PH buffer calculations
pH of a Solution
Ph.D. or a second Master?
Pharmacokinetics of drug distribution
Phase change during expansion
Phase Delay Changes with Physical Length Changes
Phase shift upon reflection
PhD in Germany or USA
Photodiode current estimate in an Infrared Proximity sensor
Photoelectrochemical Cell: Can they work with external poten
Photograph of (optical) caustics
Photon energy of a certain material?
photon free space
photon mass and E=mc^2...
Photon-photon collisions and photon "decay"
photonic crystal
photons -- can they have mass and travel at c?
Physical applications of Riemann zeta function
physical constants
physical formulas
Physically what is phase of an Image?
physics
physics after engineering
Physics as a hobby vs. as a career
Physics Forums
Physics Forums Privacy Policy
Physics Forums RSS Feed
Physics Forums!
Physics Minor?
Physics of deacceleration of rolling vehicle
Physics or engineering?
Physics PhD at 50
Physics podcasts
physics presentation help
Physics TED Talks
Physics vs. Engineering undergrad for industry aspirations?
Physics w/Calculus II Electric Potential
PID controller - order
PID controller for current control by adjusting the PWM
piston and oil
places to go/see
Planar Density of (0
Planar wave expansion cancelling through interference.
Planck 2015 Data Release
Planck limit
Planck Stars and GR black and white holes
Planetary atmospheres
Plank with block of mass on top executing vertical SHM
Planning to buy a first telescope?
plate fin tube heat exchanger design procedure
please -- particle moving with a uniform acceleration...
please ...
Please explain curious behavior with my rainwater barrel
Please explain the statement "the big bang happened everywhere at once"
Please explain Venturi effect
Please help clarify use of resistor in this circuit
Please help me finding this centroid of a graph. Thank you.
please help me to understand "complex number"
Please solve x^2+2^x = 100
Plotting from equation
PM sychronous motor parameter measurement
PM Synchronous motor Id-Iq current control
PN Junction Question
Pneumatic Cylinder testing for leaks...
Poincare Recurrence Theorem
Point belongs to the boundary - real analysis
Point Charge Given Field Maps
point of contact of circle an tangent
polar form of phasor
Polar Integral
Polarization and energy level transitions
Polarization and refractive index
Polarization of light
Poly-phase Induction generator
polynomial fractions simplest form?
Polypropylene (pp) absorption of radiation.
Pop can catapult
Popping noise from speakers when I turn the fan off
Population Dynamics: Logistic Model (Differential Equations)
Position function and its derivations
Position function and its derivatives
Possibilities with Comp sci + math or comp sci + stats?
Possibility of multiple moons in Earth-Moon system
Possible decay states strong interaction
Postgraduate calculator
Potential as a Greens Function
Potential difference between three capacitors in series
Potential drop inside a circuit as a E=gradV
Potential from a charge moving at constant velocity
Potential of charged cylinders
Power dissipated by a resistor in a circuit
Power Generation (Optimization) in a Car Engine
Power in a simple electric circuit
Power learning - 16 hours a day
power output of car
Power relay contact arcing
Power required to generate a wave
Power rule of an integration [beginner]
Power Series
Power Supply voltage drop issue
Power transmission - Pulleys
Poynting vs. Current
Practical application; wire coil dripping.
Practical personal flight
practical?
Practice using K-Maps
Pre-Med Students and Physicians: How do you work w/tremors?
Precession of Earths axis and alignment with stars
Preparing for college
Present for favorite professor
Present for finishing PhD
Pressure regulator affect flow rate through pipe?
Pressure regulator flow rate
Prevent [i] from italicizing?
Prime Numbers as Ortho-normal basis for all numbers
Principal stress ?
Principle of equivalence
Prism -- brightness of a ray of white light as it passes through a prism?
Probability Conditional Expectation
Probability distribution
Probability distribution for a rotating gas
Probability favours worse odds?
Probability of a point in a square being 0.5 from perimeter
Probability problem
Probability Question
Probability question involving intersections
Probability with permutation
Problem Book in Relativity and Gravitation
Problem on Logic
Problem registering my Office 2003
Problem when closing preview
Problem with Firefox on my new laptop
Problem with motion in a circular path
Problem with wave optics - diffraction grating?
Problems with Capitalism?
Production of inteference
Programming a cyborg just by typing words?
programs or games that uses GR
Projectile Motion here then simulated in a different gravity
Projectile Motion Problem
Projectile Motion question
Projectile Motion Using Vectors
Projectile motion- solve for initial velocity
Projectiles problem
Projection operator and measurement
Projects on CANTERA software
proof of a relation in magnetic field for a charged particle
Proof of an algebraic theorem
Proof of Program Correctness
Proof verification of EF/MF phases
Propagation of error: exponents
properties
property.
Proportional Counter
Proportionality of frictional force
Proteins
prove arccos(-x)+arccos(x) = pi
Prove evolution of Hubble parameter
Prove Set of $\all$ onto mappings from A->A is closed
prove the integral of f >=0
Prove This
Proving ##\psi## can be real or not
Proving a Matrix to be nonsingular.
Proving a transformation is linear
Proving f = 0 almost everywhere
Proving that Columns are Linearly Dependent
Proving the fundamental theorem of calculus using limits
Proving the property of entrophy
Pseudo forces
Pulley and Rope
pursuing physics b.s.
Pushing a kid on a swing
Putty on a Pivoting Rod
PV Work for Electrolysis Using Van Der Waals Equation
PWM and Pull up/pull down
Pyrite roasting. Mass balance with chemical reaction
Python help with sequences and elements?
Python: print problem!
Q about 2nd derivative test for multivariable functions
QCD vs. Spatial Expansion
QED vacuum and Lorentz invariance
QFT
QFT: Bogolyiubov transformations and KG inner product
QM linear algebra true or false
QM: Work done due a time dependent perturbation
QR Factorization
quantum bose einstein effects on a macro scale?
Quantum Cat question
Quantum computer more closely mimics a nervous system?
Quantum equations suggest the big bang never happened
Quantum Genetics Information
Quantum harmonic oscillator: average number of energy levels
Quantum Interference of atoms
Quantum Mechanics: Eigenstate
Quantum Mechanics: Eigenstates of ##\hat{\mathbb{S}}_x##
quantum state of system before measurement
Quantum time?
Quantum treatment of nonlinear susceptibility
Quark Scattering and Quark Flow Diagrams
Qubits and quantum evolution
Question about derivation of Euler-Lagrange eq.
Question about derivative of an integral
Question about empty sets in set theory
Question about finding electric field using slope on excel
Question about LaTeX!
Question about stall warning system
Question about static equilibrium
Question about Summer School
Question about Tesla
Question about the De Broglie Hypothesis
Question about the Nyquist sampling rate
Question about the periodic table arrangement
Question About Torque and Stepping Motors
Question Beta Distribution ch.6 prob 48 in 7th edition Ross
Question for design engineers
Question of Gravitatation... Do see to it ..
Question on a policy statement
Question on averages
Question on changing limits of integral
Question on inverse functions
Question on the Lagrangian
Question regarding differentiation of x with respect to x
Question regarding inelastic collisions
Question regarding the otto cycle
question regarding weight and paddling on the water
question with acceleration vector
Questions about circuits
Questions about DDWFTTW
Questions about Q point-transistor
Questions about the Big Bang
questions about the error in the slope of a graph
Questions for Nagin Cox at JPL!
Questions on basic forces
Quick derivation question Quantum Mechanics
Quick expression on geodesic equation
quick lens problem
Quick Question
Quick question about centers of instantaneous velocities
Quick question on Baryon spin states
Quick question on Geodesic Equation
Quick question tensor density transformation law
Quick stress calculation with one force on an I Beam
R-Simplexs the number 5 and prime numbers.
R.I.P. Dr. Val Fitch
R) a subalgebra of sp(4
R)?
Race car suspension Class
Rack and Pinion Calculation help
Radiant intensity
Radiated power of electron in fusion device?
Radio Shack Bites The Dust
Radius and Mass of an Unknown Planet
Radius of curvature along a spring
Radius of Curvature along a spring?
Ragdoll physics without 3rd party libraries
Rain on roof of the car and on the front glass
random power generation thought...
Random question -- if a laser beam did not spread out...
Random Thoughts part 4
Randomized Complete Block Design - Scheffe Multiple Comparison
Rankine Cycle Analysis Help
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Spherical surface area element.
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resistivity
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Grad School for Condensed Matter: Weizmann/Technio...
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Laser Microphones
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Why can't I eat old cooked meat?
effect of dielectric on charges
Were we really created from supernovas?
wave function (schrodinger equation)
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Vector with angles with axis (book wrong?)
The current in a circuit using nodal analysis
Wald chapter 3 Problem 2a)
Finding magnetic field of this wire
Janak's Theorem: With reference to Density Functio...
Coupled driven and damped oscillators
Condition for a vector field be non-linear
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accuracy of two dimensional interferometers
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acceleration on a pulley system with 3 blocks
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Swedish Math problem i got. Seems to be easy. but ...
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