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April 19, 2015

Homework Help: Math

Posted by Samuel on Wednesday, April 17, 2013 at 9:32am.

A track of mass 1000 kg travelling on a straight level road accelerates from a speed of 10 m/s to a speed of 30 m/s in 12 seconds. Given that the engine of the track exerts a constant pull of magnitude P N and that there is a constant resistance to motion of 200 N, find the value of P.

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