A rocket of mass100 tonnesis propelled with a vertical velocity 1 km/s. Calculate kinetic energy

A body of mass 2 kg moves with a velocity of 5 m/s. Find its kinetic energy.

A circular disc of mass 0.41 kg and radius 10 m rolls without slipping with a velocity of 2 m/s. The total kinetic energy of disc is

A spring ball of mass 0.5 kg is dropped from some height. On falling freely for 10 s, it explodes into two fragments of mass ratio 1:2 . The lighter fragment continues to travel downwards with speed of 60 m//s . Calculate the kinetic energy supplied during explosion.

A body of moment of inertia of 3 kg m^2 rotating with an angular velocity of 2 rad/s has the same kinetic energy as that of mass 12 kg moving with a velocity of

If a solid sphere of mass 1kg and radius 3 cm is rotating about an axis passing through its centre with an angular velocity of 50 rad/s, then the kinetic energy of rotation will be

If a solid sphere of mass 500 gram rolls without slipping with a velocity of 20 cm/s, then the rolling kinetic energy of the sphere will be

If a solid sphere of mass 1 kg rolls with linear speed of 1m/s, then the rolling kinetic energy will be

A thin ring and a solid disc of same mass and radius are rolling with the same linear velocity. Then ratio of their kinetic energies is

A body of mass 2 kg travels with a velocity of 8 m//s makes a head on collision with another body having mass 4 kg, which is travelling in the same direction with a velocity of 1 m//s . Calculate the velocities of the two bodies after collision. Find the loss in kinetic energy of the system. (Given e = 0.5)

A body is thrown vertically upward with a velocity of 9.8 m/s. Calculate the maximum height attained by the body.(g=9.8 m/s^2)