Physics, 05.12.2019 20:31, sarahc63

A21-kg child starts at the center of a playground merry-go-round that has a radius of 1.7 m and rotational inertia of 500 kg⋅m2 and walks out to the edge. the merry-go-round has a rotational speed of 0.20 s−1 when she is at the center. what is its rotational speed when she gets to the edge?

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A21-kg child starts at the center of a playground merry-go-round that has a radius of 1.7 m and rota...