Potential energy of a spring

Two discs A and B are mounted coaxially ona vertical axle. The discs have moments of inertia l and 2l respectively about the common axis. Disc A is imparted an initial angular velocity 2 omega using the centre potential energy of a spring compressed by a distance x_(1) . Disc B is imparted angular velocity omega by a spring having the same spring constant and compressed by a distance x_(2) . Both the disc rotate in the clockwise direction. The loss of kinetic energy the above process is -

Two discs A and B are mounted coaxiallay on a vertical axle. The discs have moments of inertia I and 2 I respectively about the common axis. Disc A is imparted an initial angular velocity 2 omega using the entire potential energy of a spring compressed by a distance x_1 Disc B is imparted an angular velocity omega by a spring having the same spring constant and compressed by a distance x_2 Both the discs rotate in the clockwise direction. The loss of kinetic energy in the above process is

Two discs A and B are mounted coaxially ona vertical axle. The discs have moments of inertia l and 2l respectively about the common axis. Disc A is imparted an initial angular velocity 2 omega using the centre potential energy of a spring compressed by a distance x_(1) . Disc B is imparted angular velocity omega by a spring having the same spring constant and compressed by a distance x_(2) . Both the disc rotate in the clockwise direction. The rotation x_(1)//(x_(2) is.

Two discs A and B are mounted coaxiallay on a vertical axle. The discs have moments of inertia I and 2 I respectively about the common axis. Disc A is imparted an initial angular velocity 2 omega using the entire potential energy of a spring compressed by a distance x_1 Disc B is imparted an angular velocity omega by a spring having the same spring constant and compressed by a distance x_2 Both the discs rotate in the clockwise direction. The ratio x_1//x_2 is

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

A long spring when stretched by 2cm its potential energy is U .If the same spring is stretched by 8cm then potential energy of spring 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 block of mass m is initially moving to the right on a horizontal frictionless surface at a speed v. It then compresses a spring of spring constant k. At the instant when the kinetic energy of the block is equal to the potential energy of the spring, the spring is compressed a distance of :

A spring gun has a spring constant of 80Ncm^(-1) . The spring is compressed 12cm by a ball of mass 15g . How much is the potential energy of the spring ? If the trigger is pulled, what will be the velocity of ball ?

If a body of mass m suspended by a spring comed to rest after a downward displecemtn y_(0) , claculate (a) force constant of the spring, (b) loss in gravitational potential energy, (c) gain in elastic potential energy of spring.