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Angular Deceleration

A potter's wheel -- a thick stone disk of radius 0.500 m and mass 100 kg -- is freely rotating at 50.0 rev/min. The potter can stop the wheel in 6.00 s by pressing a wet rag against the rim and exerting a radially inward force of 65.0 N. Find the effective coefficient of kinetic friction between the wheel and the rag.

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Solution Summary

The 3 pages solution offers full derivations and explanations regarding the angular motion of a decelerating object.
It shows how to solve it in two ways.