February 21, 2017

Homework Help: Physics

Posted by Jessica on Monday, February 20, 2012 at 4:23pm.

A penny is placed at the outer edge of a disk (radius = 0.159 m) that rotates about an axis perpendicular to the plane of the disk at its center. The period of the rotation is 1.50 s. Find the minimum coefficient of friction necessary to allow the penny to rotate along with the disk

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