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April 20, 2014

Homework Help: Physics

Posted by Alex on Wednesday, May 30, 2012 at 10:12pm.

An open railroad car of mass 2445 kg is coasting with an initial speed of 22 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 5 m/s. How much water (in kilograms) has accumulated in the car?

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