A solid cylinder rolles down an inclined plane. Its mass is 2 kg and radius 0.1 m. If the height of the inclined plane is 4m, what is its rotational kinetic energy when it reaches the bottom.

A body rolls down an inclined plane. If its K.E of rotational motion is 40% if its K.E. of translation, the body is

If a solid sphere, disc and cylinder are allowed to roll down an inclined plane from the same height

A solid cylinder of mass 20 kg rotates about its axis with angular speed 100 rad s-^1. The radius of the cylinder is 0.25 m. What is the kinetic energy associated with the rotation of the cylinder? What is the magnitude of angular momentum of the cylinder about its axis?

One hollow and one solid cylinder of the same outer radius rolls down on a smooth inclined plane. The foot of the inclined plane is reached by :

A body of mass ‘m’ is moving with velocity ‘v' .If the mass of the body is doubled what will be its kinetic energy?

A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination, (a) Will it reach the bottom with the same speed in each case? (b) Will it take longer to roll down one plane than the other? (c) If so, which one and why?

A solid cylinder of radius 5 cm and mass 0.5 kg rolls down an inclined plane (1 in 10). Calculate the acceleration and total energy of the cylinder after 10 S.

A body of mass ‘m’ is moving with velocity ‘v’: If the velocity is doubled what will be its kinetic energy?

A solid sphere and a hollow sphere of the same mass and diameter, both initially at rest , roll down the same inclined plane. Which reaches the bottom first?

Three bodies - a ring, a solid cylinder and a solid sphere of same mass and radii roll down an inclined plane from the same height. Which of the three will reach the ground first?