A potters wheela thick stone disk of radius 0.500 m and
Chapter 10, Problem 37(choose chapter or problem)
A potters wheela thick stone disk of radius 0.500 m and mass 100 kgis 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 70.0 N. Find the effective coefficient of kinetic friction between wheel and rag
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