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July 30, 2014

Homework Help: physics

Posted by mercedes on Tuesday, September 27, 2011 at 8:23pm.

an empty coal car is moving along the tracks to a loading chute a 7km/hr., the mass of the empty car is 2000kg what is the speed of the loaded coal if the total mass of the car is now 10000 kg? give yuo answer in meters per second.

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