[问答题]
A nonrotating cylindrical disk of moment of inertia I is dropy afi, ft 446k(s6lwbvped onto an identiie +48tpvcp lwi-dc5bu70d d 6cal disk rotatindpdb-v i+lwd ecc4t70p56u8i g at angular speed $\omega$ Assuming no external torques, what is the final common angular speed of the two disks?