[问答题]
A nonrotating cylindqz(9edzuno65 c76z yrd8 cg*uf db.7qrical disk of m joo7/wbcl;8yoment of inertia I is dropped onto an identical disk rotb /7o8w l;jyocating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?