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A sanding disk with rotational inertia 7.2 x 10- kg.mis attached to an electric drill whose motor delivers a torque of magnitude 45 N.m about
A sanding disk with rotational inertia 7.2 x 10- kg.mis attached to an electric drill whose motor delivers a torque of magnitude 45 N.m about the central axis of the disk. About that axis and with torque applied for 64 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk? (a) Number i Units (b) Number i Units V
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