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October 31, 2014

Homework Help: physics

Posted by ashley on Thursday, October 21, 2010 at 2:18pm.

A solid disc with radius R is is spinning. An object exerts a force F at the edge of the disc to slow down the disc. The disc slows down to rest in 2.0 seconds. How long would the disc take to stop if:

the mass of the disc doubled in s
the radius of the disc doubled in s
the force doubled in s

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