Question

State law of conservation of momentum mathematically. Use it to derive the recoil velocity of a gun​

Answer 1

Answer:

Explanation:

The sum of momentum before firing bullet is zero. mu1+Mu2=0If v1 and v2 are the final velcoities of bullet and gun receptively after firing. Total momentum before recoil = Total momentum after recoil. This the recoil velocity of Gun.

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Answer 2

Newton's third law states that for a force applied by an object A on object B, object B exerts back an equal force in magnitude, but opposite in direction. This idea was used by Newton to derive the law of conservation of momentum. ... B=m_{2}(v_{2}-u_{2}) (change in momentum of particle B)