Question

A rifle with a mass of 1.2 kg fires a bullet with a mass of 6.0 (0.006kg). The bullet moves with a muzzle velocity of 600 m/s after the rifle is fired.
a. What is the momentum of the bullet after the rifle is fired?
b. If external forces acting on the rifle can be ignored, what is the recoil velocity of the rifle?

Answer 1

a. Momentum = Mbullet x 600 m/s

b) The rifle will have equal and opposite momentum. Divide by the rifle's mass for the recoil velocity.

Answer 2

From a rifle of mass 4kg,a bullet of mass 50 g is fired with an initial velocity of 35 m s-1 .Calculate the initial recoil velocity of the rifle.

Answer 3

A rifle with a mass of 1.2 kg fires a bullet with a mass of 6.0 (0.006kg). The bullet moves with a muzzle velocity of 600 m/s after the rifle is fired.
a. What is the momentum of the bullet after the rifle is fired?
b. If external forces acting on the rifle can be ignored, what is the recoil velocity of the rifle