In an atwoods machine one block has a mass of 6kg and the, Ask an Expert

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In an atwood's machine, one block has a mass of .6kg and the other a mass of .56 kg. The pulley, which is mounted on frictionless bearing, has a radius of .07m. When released from rest, the heavier block is observed to accelerate downward so that it falls .75m in 5.0s. What is the rotational inertia of the pulley? What is the magnitude of the net torque on the pulley? What is the direction of the net torque on the pulley?

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