A Solid Sphere, Spherical Shell, Solid Cylinder and a Cylindrical

Multiple Choice

A solid sphere, spherical shell, solid cylinder and a cylindrical shell all have the same mass m and radius R. If they are all released from rest at the same elevation and roll without slipping, which reaches the bottom of an inclined plane first?

A) solid sphere
B) spherical shell
C) solid cylinder
D) cylindrical shell
E) all take the same time