Question: A cannon is mounted on a railroad car. The cannon shoots a 1.75-kg ball with a muzzle velocity of 300 m/s. The cannon and the

A cannon is mounted on a railroad car. The cannon shoots a 1.75-kg ball with a muzzle velocity of 300 m/s. The cannon and the railroad car together have a mass of 4500 kg. If the ball, cannon, and railroad car are initially at rest, what is the recoil velocity of the car and cannon?

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