[问答题]
A nonrotating cylindrical disk of moment of inert:rtppvq ;9 l2c6ve*feia I hl+/ex*2myo9ukay 5 ais dropped onto an identical dis y /h+aux* yko92l5eamk rotating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?