Решение задачи по физике раздел 67 пункт 98 электро

98. Find the potential energy P of the system of three point charges Q1 = 10 nC, Q2 = 20 nC and Q3 = −30 nC, located at the vertices of an equilateral triangle with side length a = 10 cm.

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