Homework Help: physics

Posted by william mclaren on Monday, February 4, 2013 at 2:20pm.

Boxcar A, with a mass of 1500 kg, is travelling at 25 m/s to the east. Boxcar B has a mass of 2000 kg, and is initially at rest. The boxcars collide inelastically and move together after they get stuck. What is their combined velocity?

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