Consider a situation in which a ring, a solid cylinder and a solid sphere roll down on the same incl

Question

Consider a situation in which a ring, a solid cylinder and a solid sphere roll down on the same inclined plane without slipping. Assume that they start rolling from rest and having identical diameter. The correct statement for this situation is

Professor PC Thomas Classes · Answer

Velocity at bottom $v = \sqrt{\frac{2gh}{1+k^2/R^2}}$. Sphere has lowest $k^2/R^2$, hence greatest velocity. Ring has highest.