Wednesday
April 23, 2014

Homework Help: Physics

Posted by Ozy on Friday, September 9, 2011 at 10:10pm.

A freight train has a mass of 1.0 10^7 kg. If the locomotive can exert a constant pull of 7.5 10^5 N, how long does it take to increase the speed of the train from rest to 66 km/h?

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