February 24, 2017

Homework Help: Physics

Posted by Physics on Monday, July 26, 2010 at 3:07pm.

(b)A coin is placed 20 cm from the axis of a rotating turntable of variable speed. This speed is gradually increased and the coin remains fixed on the turntable until a rate of 36 rpm is reached. At this point, the coin slides off. What is the coefficient of static friction between the coin and the turntable?

im completely comfused by this one
do i need to use angular speed somehow?

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