A vehicle of mass `15` quintal climbs up a hill `200 m` high. It then moves on a level road with a speed of `30 ms^(-1)`. Calculate the potential energy gained by it and its total mechanical energy while running on the top of the hill.

A truck of mass 2000 kg climbs up hill of height 250 m . It then moves on a straight road on the top of hill with the speed of 20 m/s . Calculate the potential energy gained by the truck and its total mechanical energy when moving on the top of the hill .

A vehicles of mass 10 quintals climba up a hill 200m high and thenmoves on a level road with a velocity of 36km//h .Calculate its total mechanical energy while running on the top of the hill.

A stone of mass 0.4 kg is thrown vertically up with a speed of 9.8 ms^(-1) . Find the potential energy after half second.

A stone of mass 0.4kg is thrown vertically up with a speed of 9.8ms^(-1) . Find the potential and kinetic energies after half second.

A thin ring of mass 1kg and radius 1m is rolling at a speed of 1ms^(-1) . Its kinetic energy is

A spring is compressed by a toy cart of mass 150g. On releasing the cart, it moves with a speed of 0.2 m//s . Calculate the elastic potential energy of the spring.

A solid sphere of mass 1 kg rolls on a table with linear speed 2 m/s, find its total kinetic energy.

If a satellite of mass 400 kg revolves around the earth in an orbit with speed 200 m/s then its potential energy is