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September 22, 2014

Homework Help: Physics

Posted by Michael on Monday, January 10, 2011 at 9:59am.

A freight train has a mass of 1.2 107 kg. If the locomotive can exert a constant pull of 5.0 105 N, how long would it take to increase the speed of the train from rest to
89.2 km/h? (Disregard friction.) Answer in units of s.

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