a bullet of mass 0.01kg is fired from a gun weighing 5.0kg . If the initial speed of bullet is 250 m/sec, calculate the speed with which the gun recoils

2 answers

momentum relation:
mb*vb+Mg*Vg=0
vg= - mb*vb/Mg

and speed is the absolute value of velociyt.
0.5m/s