The ratio of rotational kinetic energy to the total kinetic energy of a diatomic molecule is :

The rotational kinetic energy is -

If a sphere is rolling then the ratio of its rotational kinetic energy to the total kinetic energy is

Find the ratio of total kinetic energy to the rotational kinetic energy of a rolling sphere moving along a horizontal plane.

A small steel sphere of mass m and radius r rolls without slipping on the fiictionless surface of a large hemisphere of radius R {R gt gt r) whose axis of symmetry is vertical. It starts at the top from the rest, (a) What is the kinetic energy at the bottom ? (b) What fraction is the rotational kinetic energy of the total kinetic energy ? (c) What fraction is the rotational kinetic energy of the total kinetic energy? (d) What fraction is the translational kinetic energy of the total kinetic energy?

A solid cylinder rolls down an inclined plane from a height h. At any moment the ratio of rotational kinetic energy to the total kinetic energy would be

The moment of inertia of a collapsing star changes to one-third of its initial value. The ratio of the new rotational kinetic energy to the initial rotational kinetic energy is ___

Rotational Kinetic energy of a body is