Question

A bullet of mass 10 g is fired from a gun of mass 5.0 kg. If the velocity of bullet is 250m/s. Find the recoil velocity of the gun.

Answer 1

given
m1=10g=0.01kg
m2=5.0kg
u=250m/s
v=m1/m2×u
v=0.01/5.0×250=0.5m/s
as the gun recoiled therefore velocity is -0.5m/s