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December 22, 2014

Homework Help: Science

Posted by Physics on Tuesday, February 5, 2013 at 12:36am.

A 6 kg grinding wheel of radius 0.2 m rotates at a constant rotational frequency of 4 rad/s when an object makes contact with the outer edge of the wheel. Friction causes the wheel to stop in 2 seconds. What is the average torque on the wheel by the frictional force?

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