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April 19, 2014

Homework Help: physics

Posted by Wendy on Thursday, July 18, 2013 at 12:19am.

A 1.80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular velocity of 0.600 rev/s. What is its angular velocity after a 27.0 kg child gets onto it by grabbing its outer edge? The child is initially at rest.

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