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March 27, 2015

Homework Help: physics

Posted by jennifer on Tuesday, November 10, 2009 at 11:31am.

A centrifuge rotor rotating at 7,000 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 1.30 mN. If the mass of the rotor is 4.80 kg and it can be approximated as a solid cylinder of radius 0.0710 m, through how many revolutions will the rotor turn before coming to rest?
_________ rev

how long will it take?
____________ s

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