Solving a problem in physics section 75 point 72 electr

Solving a problem in physics section 75 point 72 electr

72. On silk threads of length l = 60 cm each, two identical balls weighing m = 0.8 g each, hanging in contact with each other. After the balls were informed with equal charges of the same name, they dispersed to a distance of 5 cm. Determine the charges of the balls.

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