[问答题]
A nonrotating cylindrical d8tbumz y5j7k b0zcy/ 9isk of moment of inertia I ic1fvni3 3iij 1*ew1 r 7oyi j7df2q6dws dropped onto an identical yr76qd231jinv 731id ej c1 wifw*ofidisk rotating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?