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August 3, 2015

Homework Help: Physics

Posted by Dan on Tuesday, May 22, 2012 at 11:36am.

A railroad car moves under a grain elevator at a constant speed of 3.70 m/s. Grain drops into the car at the rate of 580 kg/min. What is the magnitude of the force needed to keep the car moving at constant speed if friction is negligible?

F = Ma -> R * V(rel)

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