1. The problem statement, all variables and given/known data
The distance between two small balls of the same radius and charge is r. If we release the balls they approach, touch and then repulse each other. When their distance is 4r the repulsive force is 1/20th of the...
Electric charges
Electric charges
The distance between two small balls of the same radius and charge is r. If we release the balls they approach, touch and then repulse each other. When their distance is 4r the repulsive force is 1/20th of the...
Electric charges
Electric charges
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