You have two identical 30kg spheres. Both spheres have the same size, same shape , and the same amount of charge. One of the spheres is sitting on the ground ( without being electrically grounded), the other is floating at a height of 2m . If the electric force is what keeps the second sphere floating, what is the charge on each sphere ?
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You have two identical 30kg spheres. Both spheres have the same size, same shape , and the same amou...
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