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July 28, 2014

Homework Help: Physics

Posted by Lola on Wednesday, May 5, 2010 at 10:54pm.

A platform rotates at an angular speed of 2.2 rad/s. A block rests on this platform a distance of 0.3m from the axis. (friction coefficient .5) Without any external torgue acting on the system, the block is moved toward the axis. Ignore the moment of inertia of the platform. Determine the smallest distance (in cm) from the axis the block can be relocated and still remain in place as the platform rotates

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