Google Answers: rotational equilinerium and rotaional dynamic

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Q: rotational equilinerium and rotaional dynamic ( No Answer, 0 Comments )

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Subject: rotational equilinerium and rotaional dynamic
Category: Science > Physics
Asked by: mersedeh-ga
List Price: $5.00

Posted: 13 Nov 2005 19:59 PST
Expires: 13 Nov 2005 23:11 PST
Question ID: 592655

A potter's wheel having a radius 0.49 m and a moment of inertia 13.5
kgm2 is rotating freely at 52 rev/min. The potter can stop the wheel
in 5.0 s by pressing a wet rag against the rim and exerting a radially
inward force of 71 N. Find the effective coefficient of kinetic
friction between the wheel and the wet rag.

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