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You are holding a balloon which you charged by rubber against your hair. The
balloon is holding Q amount of charge. There is a foam ball 3 meters away
and carrying a charge of -0.002 C. They attract each other with a force of 200
N. Find charge Q. Is it a positive or negative charge, why?
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Answers: 1
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You are holding a balloon which you charged by rubber against your hair. The
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