What is the magnitude of the recoil momentum of the rifle?

A 3.2 kg rifle fires a .021 kg bullet at 437 m/s. What is the magnitude of the recoil momentum of the rifle?
ndowell4884
Asked Jan 18, 2010
Edited Jan 18, 2010
by principle of conservation of momentum, the momentum of bullet after firing is equal to that of the gun in magnitude but opposite in direction.
So, magnitude of recoil momentum of rifle = magnitude of momentum of bullet =0.021*437=9.177 kg m/s
Lizard32
Answered Mar 27, 2010

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