[问答题]
A nonrotating cylindc0o hlt70: wqq:pkn 2rrical disfgt 2j)p0m*zowr-off l2/0 t3:nj78v rdv prtk of moment of inertia I is dropped onto an identical disk rotaf:v8m22jzpor*)/p f0f0tnl-v wto tg 73djrrting at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?