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HippoCampus Physics 14 Online
OpenStudy (anonymous):

The force of repulsion between two like-charged table tennis balls is 8.2 * 10È¥ newtons. If the charge on the two objects is 6.7 * 10È© coulombs each, what is the distance between the two charges? (k = 9.0 * 10© newton·metersÆ/coulombÆ)

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