Question

A gun of mass 3 kg fires a bullet of mass 30g the bullet takes 0. 003s to move through the barrel off the gun and acquired a velocity of 100m/s calculate the velocity with which the gun recoils

Answer 1

Answer:

The velocity with which the gun recoils is 1 m/sec

Explanation:

mass of gun(m1)= 3kg

mass of bullet is 30g (m2)=0.03kg

time taken to move through the barrel is 0.03 sec

velocity of gun acquired (v2)=100m/s

v1=?

m1v1=m2v2

3v1=100*0.03

v1=3/3=1m/s