[问答题]
A nonrotating cylindrical disk e,5cahkii2w)2hmn3s of moment of inertiaoo)h*g9cblfd9z3 /ca I is dropped onto an identica/cd9 *ocbaz3 )fhg9 lol disk rotating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?