[问答题]
A nonrotating cylindri08f 9bh+tnihf cal disk of moment of inertia I islbh4xz 5 )xej25(8 *lsffwcxcgw3yx9z v:fv6 dropped onto an identical disk rotat)6vxx5b s5f e34*xfw:(c vfwll y9xgzhc2 8 jzing at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?