[问答题]
A nonrotating cylindric(m*8kg4uwev 1 va -- ybtn7zklamai+h 6)6ayy2kfq0di h9ke.w l disk of moment of inertia I is dropped onto an identical disk rotating at ifakkhmq ie9 2+) 06hwdyy6.aangular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?