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Do you know where the law of conservation of momentum can be applied?

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  1. Recoil of a gun:-

A gun and a bullet constitute one isolated system. On firing the gun, the bullet moves out with a very high velocity {\vec{v}}. The gun experiences a recoil. It moves in the opposite direction. Velocity {\overrightarrow{v^{\prime}}} of the recoil gun can be calculated by the application of law of conservation of momentum.


2. Rocket and jet plane:-

Fuel and oxygen is burnt in the ignition chamber. As hot gases escape from a rear opening, with some momentum, the rocket moves in the forward direction with the same momentum.

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Deependra Verma

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