Solving a problem in physics section 72 point 12 electr

Solving a problem in physics section 72 point 12 electr

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.

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