The angular momentum of a flywheel having a rotational inertia of 0.200 kg·m2 about its central axis decreases from 3.80 to 0.40
0 kg·m2/s in 1.50 s. (a) What is the magnitude of the average torque acting on the flywheel about its central axis during this period? N·m (b) Assuming a uniform angular acceleration, through what angle does the flywheel turn? rad (c) How much work is done on the wheel? J (d) What is the average power of the flywheel? W
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