Решение задачи по физике раздел 73 пункт 83 электро

83. A small ball weighing 1 g, having a charge of 1 nC, is suspended on an insulating thread. Another ball having a charge of 222 nC is brought to it from below at a certain distance, and in this case, the tension force of the thread is halved. How far was the ball?

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