Question

A 30gm bullet is shot from a gun of mass 15kg a speed of 500m/s. Find the velocity of the recoil of the gun.

Answer 1

Explanation:

Mass of bullet = m = 30 gm

Mass of gun = M = 15kg

Speed of bullet = u = 500m/s

Velocity of the recoil of gun = U

Since there is no external force,

Therefore, Fext. = 0

Therefore, momentum is conserved.

MU = mu

15*U = 30*10^-3*500

U = 1m/s

Therefore, the velocity of the recoil of the gun is 1m/s.

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Answer 2

can Mars one M Venkatesh