Лаг1989 задача №11.17

The force of attraction of two identical metal balls at a distance of r = 14 cm is 36 μN. Once the balls have been brought into contact and removed to their previous distance; they began to repel with a power of 95mkN. Determine the charges: 1 and 2 balls to contact. The diameters of the balls are considered to be much smaller than the distance between them.

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