Homework Help: physics

Posted by DAE on Monday, October 29, 2012 at 7:06pm.

A freight train has a mass of 1.6 × 10
7
kg.
If the locomotive can exert a constant pull
of 8.0 × 10
5
N, how long would it take to
increase the speed of the train from rest to
80.3 km/h? Disregard friction

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