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July 28, 2015

Homework Help: Phisic mechanic

Posted by cls on Monday, October 4, 2010 at 12:37am.

A trailer mechanic pushes a 2500 kg car, home to a speed v, performing a job during the 5000 J. In this process, the car moves 25 m. Neglecting friction between the car and roadway:
(A) What is the final velocity v of the car?
(B) What horizontal force exerted on the car?

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