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April 16, 2014

Homework Help: Physics

Posted by Chelsey on Friday, October 5, 2012 at 11:11am.

An object of mass 1.4kg is placed 12.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the object remains fixed on the turntable until a rate of 36 rpm is reached, at which point the object slides off. What is the coefficient of static friction between the object and the turntable?

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