Obtain the magnitude of the charge on each ball

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Question: Two equally charged insulating balls each weigh 0.30 g and hang from a common point by identical threads 35 cm long. The balls repel each other so that the separation between their centers is 6.8 cm.

Part A: What is the magnitude of the charge on each ball?

Please clarify the equations and steps are used to get the answer. Thanks!

Reference no: EM13697761

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