試題詳解

15. A rigid body (hollow/solid cylinder or sphere, with radius R and total mass M) rolls without slipping from rest at the top of an ineline with height h down an inclined rigid plane. Given the moment of inertia through the center of mass, where n is a number less or equal to 1. Find the speed of the center of mass vcy after reaching the bottom of the incline.
(A)  
(B)
(C)
(D)