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October 20, 2014

Homework Help: Psychics

Posted by Kendra on Thursday, March 17, 2011 at 3:01pm.

A freight car is moving freely along a railroad track at 7.0 m/s and collides with a tanker car that is at rest. After the collision, the two cars stick together and continue to move down the track. What is the magnitude of the final velocity of the cars if the freight car has a mass of 1,200 kg and the tanker car has a mass of 1,600 kg?

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