[问答题]
A nonrotating cylindrical disk of m+1f5ffhc 36 ,8vswyymo pt,kj oment,(unxvyztnq4+s + 0ho of inertia I is dropped onto an identical disk rotating at anguzoy( vx hq ++0nts4,unlar speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?