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 spring is kept compressed by a toy cart of mass 150 g.On releasing the cart.It moves with a speed of 0.2 m s^(-1) .Calculate the potential energy (elastic)of the spring .

If a compressed spring is dissolved in acid, what happens to the elastic potential energy of the spring ?

If a compressed spring is dissolved in acid, what happens to the elastic potential energy of the spring ?

If a compressed spring is dissolved in acid, what happens to the elastic potential energy of the spring ?

Calculate the kinetic energy of a 20 kg wooden cart moving with a speed of 5 m/s. Calculate the kinetic energy again when the speed is doubled.

A spring gets compressed when a body of mass 5 g is dropped on it from a height of 2 m . Calculate the maximum distance s through whichthe spring is compressed. The force constant of spring is 100 Nm^(-1) .

Rajan exerts a force of 150 N in pulling a cart at a constant speed of 10 m s^(-1) .Calculate the power exerted.

A spring is compressed between two toy carts of mass m_(1) and m_(2) . When the toy carts are released, the springs exert equal and opposite average forces for the same time on each toy cart. If v_(1) and v_(2) are the velocities of the toy carts and there is no friction between the toy carts and the ground, then :

A spring is compressed between two toy carts to masses m_1 and m_2 . When the toy carts are released, the spring exerts on each toy cart equal and opposite forces for the same small time t. If the coefficients of friction mu between the ground and the toy carts are equal, then the magnitude of displacements of the toy carts are in the ratio