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October 22, 2014

Homework Help: Physics

Posted by Sarah on Thursday, April 26, 2012 at 10:26pm.

A 24-ton freight car rolls along a straight track with a speed of 10mph. A 2.0 ton automobile falling vertically lands on the freight car from above.
a) what is the speed of the freight car after the car lands on it?
b) the car then rolls sideways off the freight car. What is the speed of the freight car after the car falls off?

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