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Three children are riding on the edge of a merry-gc-rcund that is 100 kg, has a 1.6-m radius, and is spinning at 20 rpm. The

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Three children are riding on the edge of a merry-gc-rcund that is 100 kg, has a 1.6-m radius, and is spinning at 20 rpm. The children have masses of 22, 28, and 33 kg. If the child who has a mass of 28 kg moves to the center of the merry-go-rcund, what is the new angular velocity in rpm? rpm

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