Conservation of Linear Momentum

JEE Main Physics · Centre of Mass and Collisions · 7 questions, latest first

• 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…202623 January, Shift 2 · Q30
• A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio of 2:1. After disintegration they will…20249 April, Shift 2 · Q33
• A stationary particle breaks into two parts of masses m_A and m_B which move with velocities v_A and v_B respectively. The ratio…20248 April, Shift 1 · Q33
• An artillery piece of mass M_1 fires a shell of mass M_2 horizontally. Instantaneously after the firing, the ratio of kinetic…202431 January, Shift 1 · Q35
• A body of mass 1000 kg is moving horizontally with a velocity 6 m/s. If 200 kg extra mass is added, the final velocity (in m / s…202427 January, Shift 1 · Q33
• 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^-1 each. The recoil…202330 January, Shift 2 · Q5
• A ball of mass 200 g rests on a vertical post of height 20 m. A bullet of mass 10 g, travelling in horizontal direction, hits the…202330 January, Shift 1 · Q3