Question

Recoil velocity of gun derivation

Answer 1

Answer:

Derivation For recoil velocity of Gun:

The sum of momentum before firing bullet is zero. ... Here negative sign indicates that the direction of velocity of the gun is opposite to the direction of velocity of bullet.

Answer 2

Explanation:

solve this by using the law of conservation of momentum. The momentum of the gun and that of the bullet are equal and opposite. Let us assume a gun of 20 kg shoots a bullet of 1 kg in a velocity of 100m/s. We have to find the recoil velocity of the gun. Momentum of bullet = 100kgm/s = momentum of gun = 20*v v = recoil velocity = 100/20 = 5m/s Therefore, the recoil velocity of the gun is 5m/s. Hope it was helpful