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A playground merry-go-round has a mass of 125 kg and a radius of 1.70 m and it is rotating with an angular velocity of 30.0
A playground merry-go-round has a mass of 125 kg and a radius of 1.70 m and it is rotating with an angular velocity of 30.0 rpm. What is its angular velocity after a 20.0-kg child gets onto it by grabbing its outer edge? The child is initially at rest.
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