Решение задачи по физике раздел 75 пункт 9 электро

9. Two point charges q1 = 18 nC and q2 = −35 nC are in a medium with a dielectric constant of 5.0 at a distance r. The force of interaction of charges F = 50.4 µN. Find r. Indicate the nature of the interaction: attraction or repulsion?

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