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December 21, 2014

Homework Help: physics

Posted by tyler on Friday, August 24, 2012 at 1:57am.

A train consists of 40 freight cars, each having a mass of 2.71 105 kg. If the engine (which has twice the mass of a freight car) exerts a net force of +1.12 105 N, what will be the acceleration of this train?

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