[问答题]
A nonrotating cylindr ,kwl *r,let7cical disk /aqr/ngtt7h : of moment of inertia I is dropped onto an identical dita 7:h/nrqt g/sk rotating at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?
Post time 2025-2-18 20:00:22
