Question

a bullet of mass 10 gram is fired with an initial velocity of 20 metre per second from a rifle of mass 4kg . calculate the initial recoil of the rifle ?

Answer 1

Answer:

mass,m1= 10g.

velocity,v1=20m/s.

mass,m2=4kg.

velocity,v2=-(m1/m2)v1.

                   =-(10/4000)2000.

                  =- 0.0025 x 2000.

                  = -5m/s.

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Explanation: