A sanding disk with rotational inertia 0.0012 kg-m2 is attached to an electric drill whose motor delivers a torque of magnitude 13 N-m about the central axis of the disk. About that axis and with a torque applied for 39 millisecond, what is the magnitude of the angular momentum?

Question

A sanding disk with rotational inertia 0.0012 kg-m2 is attached to an electric drill whose  motor delivers a torque of magnitude 13 N-m about the central axis of the disk.  About that axis and with a torque applied for 39 millisecond, what is the magnitude of the angular momentum?