Решение задачи по физике раздел 72 пункт 12 электро

12. Two opposite point charges Q = ± 5 nC are located in vacuum at a distance l = 8 cm from each other. Determine the tension at point A, located at a distance of r = 3 cm on a perpendicular, raised from the middle of the segment that connects the charges.

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