Finding the Magnitude

A sanding disk with rotational inertia 5.4 x 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of magnitude 10 N·m about the central axis of the disk.

About that axis and with torque applied for 72 ms, what is the magnitude of

(a) angular momentum

(b) angular velocity of the disk?

This is a sample question

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