Question

A bullet of mass 10 g is fired from a gun with a muzzle velocity 200 m/s. Find the mass of gun if the recoil velocity of a gun is - 0.8 m/s?​

Answer 1

Answer:

2.5 kg

Explanation:

Suppose,

recoil velocity of the gun=0.8ms-¹

velocity of the bullet=200ms-¹

mass of the bullet=10 g=0.01 kg

mass of gun=?

MV+MV= 0

=M×0.8+0.01×200

or,0.8M=-2

or,M=2.5 kg