Solving a problem in physics section 73 point 77 electr

Solving a problem in physics section 73 point 77 electr

77. A charged ball weighing 20 g hangs on a thread. What is the charge of Q2, you need to place it at a distance of 5 cm from the ball so that the weight of the ball is reduced by 2 times? Ball charge 10-6 C

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