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April 17, 2014

Homework Help: Physic

Posted by Anthony on Monday, November 14, 2011 at 9:14pm.

An electric motor rotating a workshop grinding wheel at a rate of 114 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.10 rad/s2.
(a) How long does it take for the grinding wheel to stop?

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