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July 6, 2015

Homework Help: physics

Posted by jerr on Wednesday, September 29, 2010 at 2:08pm.

A freight train has a mass of 1.2 107 kg. If the locomotive can exert a constant pull of 6.5 105 N, how long does it take to increase the speed of the train from rest to 60 km/h?
____min

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