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April 20, 2014

Homework Help: physics

Posted by jeff on Saturday, November 21, 2009 at 9:16am.

A children's merry-go-round in a park consists of a uniform 200kg disk rotating about a vertical axis. the radius of the disk is 6 m and a 100kg man is standing on the outer edge when the disk is rotating at a speed of 0.20rev/s. how fast will the disk be rotating if the man walks 3m in toward the center along a radial line?

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