[问答题]
A nonrotating cylindrical0/f x343ci jeoie)qq a vv d-kjjq2e:5 disk of momet(w56)v /xioehnh wo5nt of inertia I is dropped onto an identical di6)5ewo oi 5vxhh(tw n/sk rotating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?