Wednesday
April 23, 2014

Homework Help: Physics

Posted by Haley on Thursday, May 10, 2012 at 8:40pm.

In the 1950s, an experimental train that had a mass of 3.30 104 kg was powered across level track by a jet engine that produced a thrust of 4.90 105 N for a distance of 600 m.
(a) Find the work done on the train.
J
(b) Find the change in kinetic energy.
J
(c) Find the final kinetic energy of the train if it started from rest.
J
(d) Find the final speed of the train if there was no friction.

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