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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 9 - Rotational Dynamics > Two rigid bodies A and B rotate with angular momenta LA and LB respectively. The moments of inertia of A and B about the axes of rotation are IA and IB respectively. If IA = IB /4 and LA ​ = 5LB . Then the ratio of rotational kinetic energy KA ​of A to the rotational energy KB of B is given by

Two rigid bodies A and B rotate with angular momenta LA and LB respectively. The moments of inertia of A and B about the axes of rotation are IA and IB respectively. If IA = IB /4 and LA ​ = 5LB . Then the ratio of rotational kinetic energy KA ​of A to the rotational energy KB of B is given by

A solid sphere rolls down two different inclined planes of the same height but of different inclinations