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Current Attempt in Progress The angular momentum of a flywheel having a rotational inertia of 0.353 kg-m2 about its central axis decreases from 9.80 to
Current Attempt in Progress The angular momentum of a flywheel having a rotational inertia of 0.353 kg-m2 about its central axis decreases from 9.80 to 0.340 kg*m2/s in 3.40 s. (a) What is the magnitude of the average torque acting on the ywheel about its central axis during this period? ([3) Assuming a constant angular acceleration. through what angle cloes the ywheel turn? (c) How much work is clone on the wheel? (d) What is the magnitude of the average power done on the flywheel? (a) Number Units v (b) Number l Units v (c) Number Units v (d) Number I Units v View Policies Current Attempt in Progress The gure shows three 0.0176 kg particles that have been glued to a rod of length L=o.30 cm and negligible mass. The assembly can rotate around a perpendicular axis through point 0 at the left end. If we remove one particle (that is, 33% of the mass), by what percentage does the rotational inertia of the assembly around the rotation axis decrease when that removed particle is (a) the innermost one and (b) the outermost one? r+ Axis I" 0H +a+d~i (a) Number n Units v (b) Number I Units v
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