Work, Energy an...

If the K.E of a body is increased by 300%, its momentum will increase by

If the K.E. of a particle is doubled, then its momentum will

If the kinetic energy of a body increases by 0.1%, the percent increase of its momentum will be

If velocity of a body is twice of previous velocity, the kinetic energy will become

Two bodies with kinetic energies in the ratio of 4 : 1 are moving with equal linear momentum. The ratio of their masses is

A bullet is fired from a rifle. If the rifle recoils freely, then the kinetic energy of the rifle is

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine is (g = 9.8 m/s²)

The decrease in the potential energy of a ball of mass 20 kg which falls from a height of 50 cm is

A 0.5 kg ball is thrown up with an initial up with an initial speed 14 m/s and reaches a maximum height of 8.0 m. How much energy is dissipated by air drag acting on the ball during the ascent

What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of 10 cm. (Take = 9.8 m/s²)