Impulse & Momentum: JEE Questions & Solutions

A body of mass 14 kg initially at rest explodes and breaks into three fragments of masses in the ratio 2: 2: 3. The two pieces of equal…

A spherical body of mass 100 g is dropped from a height of 10 m from the ground. After hitting the ground, the body rebounds to a height of…

A machine gun of mass 10 kg fires 20 g bullets at the rate of 180 bullets per minute with a speed of 100 m/s each. The recoil velocity of…

100 balls each of mass m moving with speed v simultaneously strike a wall normally and are reflected back with the same speed, in time t.…

Figures (a), (b), (c) and (d) show variation of force with time. The impulse is highest in figure:

An average force of 125 N is applied on a machine gun firing bullets each of mass 10 g at the speed of 250 m/s to keep it in position. The…