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We wrap a light, nonstretching cable around a 9.00kg solid cylinder with diameter of 34.0cm . The cylinder rotates with negligible friction about a stationary horizontal axis. We tie the free end of the cable to a 13.0kg block and release the block from rest. As the block falls, the cable unwinds without stretching or slipping.

How far will the mass have to descend to give the cylinder 470J of kinetic energy? (h= in m)

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Category:- Physics
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