Решение задачи по физике раздел 74 пункт 4 электро

4. A ball weighing 1 g and a charge of 20 nC is suspended on a silk thread in the air. If you place a ball at the bottom with a charged charge of the same modulus, the thread tension will increase 3 times. Determine the distance between the centers of the balls.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)