A cake of mud is thrown on a wall, where it sticks . What happens to its initial kinetic energy ?

What is kinetic energy ?

If a particle of charge q is moving with velocity vecv along y axis and a magnetic field vecb act along z axis, find the force acting on it. What happens to its kinetic energy ? Justify.

A particle of mass m has momentum p. What is its kinetic energy ?

A neutron collided elastically with the nucleus of the a carbon atom at rest . Show that the neutron lost 0.284 part of its initial kinetic energy .

If the intensity of incident radiation on a metal surface is doubled, what happens to the kinetic energy of the electrons emitted?

A mass 2m is at rest and another mass m is moving with a velocity. An elastic collision takes place between them. Show that the mass m loses 8/9 part of its initial kinetic energy in this collision.

The increase in momentum of a body is 100% . What will be the increases in its kinetic energy ?

A body is projected with a speed u m/s at an angle beta with the horizontal. The kinetic energy at the highest point is 3/4th of the initial kinetic energy. The value of beta is :

State if the following statement is true of false. Give reason for your answer"In an inelastic collision, the final kinetic energy is always less than the initial kinetic energy of the system."

A small sphere of radius r at rest begins to slide down the surface of a hemispherical bowl from the brim of the bowl. When the sphere reaches the bottom of the bowl, what fraction of its total energy will be converted into translational kinetic energy and what fraction into rotational kinetic energy ?