[问答题]
A nonrotating cylindrical disk of moment6ad8w(n(,6 *wj wfx-pc xddmz of inertia I is dropped onto i ox93pg qb-* zz6l:xw 8rur6san identical disk r i*9 qxzu-8psw6r:grx3lb oz6 otating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?