Two ping-pong balls each have a mass of 27 g and carry a

Reference no: EM13641307

Two ping-pong balls each have a mass of 2.7 g and carry a net charge of 0.430 µC. One ball is held fixed. At what height should the second ball be placed directly above the fixed ball if it is to remain at rest there?

Reference no: EM13641307

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