Wednesday
September 17, 2014

Homework Help: Physics

Posted by John on Saturday, March 19, 2011 at 4:30pm.

A disk lying on the XY plane rinitially roates counter-clockwise with a rotational speed of w0.  After a time interval rt, the rotational speed has changed to wf moving in the clockwise direction.  The average torque during this time interval is which of the following?

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