Решение задачи по физике раздел 75 пункт 25 электро

25. A charge of 4 × 10–9 C in kerosene (ε = 2) at a distance of 5 cm attracts a second charge with a force of 2 × 10–4 N. Find the magnitude of the second charge.

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