[问答题]
A nonrotating cylindrical disk of5m.pu-zp)z0hyqeb p 7m r5u7o momenjl*cm.j wg;; msd7 k-dt of inertia I is dropped onto an identical disk rotatinmk d-; s7j;l mdgjwc*.g at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?