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September 20, 2014

Homework Help: Physics

Posted by JAYZ on Friday, November 8, 2013 at 8:27pm.

A potter’s wheel of radius 53.13 cm and mass 106.4 kg is freely rotating at 47.1 rev/min. The potter can stop the wheel in 5.65 s by pressing a wet rag against the rim and exerting a radially inward force of 66.2 N.
What is the angular acceleration of the wheel?

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