Homework Help: Physics(Please respond)

Posted by Hannah on Thursday, May 31, 2012 at 4:49pm.

A 12-kg crate is pushed up an incline from point A to point B. What is the change in the gravitational potential energy of the crate?

Point A is 2.0m and point b is 7.0m

I am not sure how to start this.

Physics(Please respond) - Elena, Thursday, May 31, 2012 at 5:22pm
ΔPE = mgΔh = 12•9.8•(7– 2 ) = 588 J

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