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Posted by on Monday, October 9, 2006 at 8:31pm.

A coin is placed 12.5 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 36 rpm is reached, at which point the coin slides off. What is the coefficient of static friction between the coin and the turntable?

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  • Physics: Help - , Sunday, November 11, 2012 at 8:19pm


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