[问答题]
A nonrotating cylindrical disk of momentj yx v i3x5/d3dh3;stvz;hw8l of inertia I is dr/ lh8n6v jqfs4opped onto an identical di 8 h/v6jn4sfqlsk rotating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?