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April 24, 2014

Homework Help: Physics

Posted by Krystal on Sunday, February 5, 2012 at 1:03pm.

A 700 kg car is pulled up a hill at a 10 degree hill with a 1500N force acting parallel with the hill, friction can be neglected.
What is the work done by the pulling force?
What is the work done by gravity?
If the initial speed of the car is 4 m/s, what is the speed after it has been pulled 40m?

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