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The pulley in Fig. 9.35 has radius R and a moment of inertia l. The rope does not slip over the pulley, and the pulley spins on a frictionless axle. The coefficient of kinetic friction between block A and the tabletop is μk the system is released from rest, and block B descends. Block A has mass mA and block B has mass mB Use energy methods to calculate the speed of block B as a function of the distance d that it has descended. |
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