[问答题]
A nonrotating cylindrical -m1mso s r2v1adisk of moment of inertixnm:2g b o)cc1iqz gqj/6u ;q2a I is dropped onto an identical dogqcn2/ 1mc6bigqu2: jz q; )xisk rotating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?