Question

A bullet of mass 40 g is fired from a gun of mass8 kg with a velocity 800m/s calculate the recall of gun

Answer 1

Answer:

-4 m/sec

Explanation:

lets conswrve the Momentum before and after Fire

m1v1+M2V2 =0

40/1000×800 + 8xV2=0

V2= - 32/8= -4 m/sec