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September 30, 2014

Homework Help: Physics

Posted by Kyle on Monday, November 19, 2012 at 4:12pm.

An open train car, with a mass of 2150 kg, coasts along a horizontal track at the speed 2.29 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.67 s at the rate of 441 kg/s. What is the car's speed after the loading is completed? Ignore rolling friction

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