A gun is mounted on a railroad car. The mass of the car, the gun, the shells and the operator is 50m where m is the mass of one shell. If the velocity of the shell with respect to the gun (in its state before firing) is 200 m/s, what is the recoil speed of the car after the second shot? Neglect friction.

Options

A. `(200)/(49) m//s`
B. `200((1)/(48)+(1)/(48)) m//s`
C. `200(1)/(48)+(1)/(49)) m//s`
D. `200((1)/(48)+(1)/(48xx49)) m//s`

Answer

C