Homework Help: pysic

Posted by paul on Wednesday, July 21, 2010 at 2:18pm.

A 328 kg car moving at 19.1 m/s hits from behind another car moving at 13.0m/s in the same direction. If the second car has a mass of 790kg and a new speed of 15.1m/s what is the velocity of the first car after the collision?

physics - drwls, Wednesday, July 21, 2010 at 6:03pm
This is a conservation of momentum problem. I assume you know the first principles. Someone will be happy to critique your work.

P.S.: note the correct spelling of the subject

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