Impulse and Momentum — MCQ Practice

A 2 kg object moving at 10 m/s collides with a stationary 3 kg object. If the two objects stick together after the collision, what is their common velocity?

A force $F = (3t^2 - 2t + 5)\,\text{N}$ acts on a 2 kg object for 2 seconds. If the object was initially at rest, what is its final momentum?

A 50 g bullet is fired from a 5 kg gun with a muzzle velocity of 400 m/s. What is the recoil velocity of the gun?

Which of the following statements is TRUE regarding impulse and momentum?

A 0.1 kg ball strikes a wall horizontally with a speed of 10 m/s and rebounds with a speed of 8 m/s. If the contact time is 0.01 s, what is the average force exerted by the wall on the ball?

Two bodies of masses $m_1$ and $m_2$ have equal kinetic energies. If their momenta are $p_1$ and $p_2$ respectively, what is the ratio $p_1/p_2$?