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3. Kinetic mnction! A coin rests on the edge of a 3.0-m phonograph record. The record rotates such that the speed of the coin is 0.61 m/s. The weight of the coin is 1.5 g. What is the centripetal acceleration of the coin? What is the centripetal force on the coin? What is the maximum coefficient of friction that will keep the coin from slipping? people and a b. C​