Three children are riding on the edge of a merry-go-round that is 100 kg, has a 1.60-m
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Three children are riding on the edge of a merry-go-round that is 100 kg, has a 1.60-m radius, and is spinning at 20.0 rpm. The children have masses of 22.0, 28.0, and 33.0 kg. If the child who has a mass of 28.0 kg moves to the center of the merry-go- round, what is the new angular velocity in rpm?
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