21.11. Two very small 8.55-g spheres, 15.0 cm apart from cen- ter to center, are charged by adding equal numbers of electrons to

Question

21.11. Two very small 8.55-g spheres, 15.0 cm apart from cen- ter to center, are charged by adding equal numbers of electrons to each of them. Disregarding all other forces, how many electrons would you have to add to each sphere so that the two spheres will accelerate at 25.0g when released? Which way will they accelerate?

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