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Physics 13 Online
OpenStudy (anonymous):

After brushing, Fluffy's fur has a charge of +8.0 * 10^-9 coulombs and her plastic brush has a charge of -1.4 * 10^-8 coulombs. If the distance between the fur and brush is roughly 5.0 * 10^-1 meters, what is the approximate magnitude of the force between them? (k = 9.0 * 10^9 newton·meters^2/coulomb^2)

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