Question

a bullet of mass 80 g bullet is 9 kg m/s .what is the velocity of the gun ?

Answer 1

Answer:

Momentum (p)=9 kg.m/s

Mass(m) = 80/1000=2/25=0.08 kg

Velocity(v) =??

We know that----

Momentum=Mass × Velocity

p=mv

9=0.08×v

v=9/0.08=900/8=225/2=112.5 m/s