Solving a problem in physics section 68 point 1 electr

Solving a problem in physics section 68 point 1 electr

1. Three point charges Q1 = 30 nC, Q2 = −15 nC and Q3 = 40 nC are in vacuum at the vertices of an equilateral triangle whose side length is a = 5.0 cm. What is the potential energy W of the electrostatic interaction of the system of these charges?

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