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May 27, 2015

Homework Help: physics

Posted by Cori on Monday, September 30, 2013 at 11:17pm.

A cannon is mounted on a railroad car. The cannon shoots a 1.75 kg ball with a muzzle velocity if 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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