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A 48.9 kg child is sitting in the middle of a 169.7 kg merry-go-round of radius 2.5 m while it is spinning at a rate of 5.8 rpm. If the child moves out to the edge, how fast will it be spinning? (Hint: use conservation of angular momentum)
rpm
A 33.8 kg child is sitting in the middle of a 144.3 kg merry-go-round of radius 2.44 m while it is spinning at a rate of 1.6 rpm. If the child moves out to the edge, how fast will it be spinning? (Hint: use conservation of angular momentum)
A 28.6 kg child is sitting in the middle of a 188.5 kg merry-go-round of radius 2.54 m while it is spinning at a rate of 2 rpm. If the child moves out to the edge, how fast will it be spinning? (Hint: use conservation of angular momentum)
A 41.7 kg child is sitting in the middle of a 107.3 kg merry-go-round of radius 2.46 m while it is spinning at a rate of 1.8 rpm. If the child moves out to the edge, how fast will it be spinning? (Hint: use conservation of angular momentum)
A 46.4 kg child is sitting in the middle of a 103.3 kg merry-go-round of radius 2.55 m while it is spinning at a rate of 3 rpm. If the child moves out to the edge, how fast will it be spinning? (Hint: use conservation of angular momentum)
A 35.8 kg child is sitting in the middle of a 125.6 kg merry-go-round of radius 3 m while it is spinning at a rate of 2.4 rpm. If the child moves out to the edge, how fast will it be spinning? (Hint: use conservation of angular momentum)