A playground merry-go-round spins with negligible friction

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A playground merry-go-round spins with negligible friction. A child moves from the center out to the rim of the merry-go-round platform. In this merry-go-round and child system, which of these quantities change: the angular velocity of the system, the rotational kinetic energy of the system, the angular momentum of the system? Explain your answer.

Reference no: EM13538804

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