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April 26, 2015

Homework Help: Momentum

Posted by Lui on Wednesday, May 16, 2012 at 6:44pm.

A 1400 kg car moving south at 11.5 m/s collides with a 2800 kg car moving north. The cars stick together and move as a unit after the collision at a velocity of 5.24 m/s to the north. Find the velocity of the 2800 kg car before the collision.

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