[问答题]
A nonrotating cylindrical disk of momeju::;(c9s dn2ga1hv p zayj 7fzjp3r (nt of inertia I is dropped ov :lxts-jl2 4h7c .e*cifzae0nto an identical disk rotating 2x iejv -a4st7czlfe0:h.* c lat angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?