2 balls have masses of 50 gm and 100 gm and they are moving along the same line in the same direction with velocities of 3m/s and 1.5 m/s respectively. They collide with each other and after the collision, the first ball moves with a velocity of 2.5 m/s. Calculate the velocity of the other ball after collision.

2 balls have masses of 50 gm and 100 gm respectively and they are moving along the same line in the same direction with velocities of 3 m/s and 1.5 m/s respectively. They collide with each other and after the collision, the first ball moves with a velocity of 2.5 m/s. Calculate the velocity of the other ball after collision.

A body of mass 2 kg collides with a body of mass 1 kg. Their initial velocities are 6 m/s and 4 m/s respectively. If the velocity of the first body after collision is : (14)/3 m/s , find the velocity of the second body after collision.

A body of mass 0.1 kg travelling with a velocity of 5 m/s, collides head-on with another body of mass 0.2 kg travelling in the same direction with a velocity of 1.2 m/s. If the two bodies stick together after collision, their common velocity is

If velocities of 3 molecules are 5 m/s, 6m/s and 7 m/s respectively, then their mean square velocity in m^2/s^2 is

A body of mass 2 kg moves with a velocity of 5 m/s. Find its kinetic energy.

What is the de Broglie wavelength of a 2 kg mass moving with a velocity of 10 m/s?

Two identiacal balls A and B having velocities of 0.5 m/s and -0.3" m"//"s" respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be

A particle moves for 20 s with velocity 3 m//s and then moves with velocity 4 m//s for another 20 s and finally moves with velocity 5 m//s for next 20 s. What is the average velocity of the particle ?

The mean square velocity of the five molecules of velocities are 2 m/s, 3 m/s, 4 m/s, 5 m/s and 6 m/s respectively is

A disc of mass 400 gm is rolling on a horizontal surface with uniform velocity of 2 m/s. Calculate its total K.E.