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May 30, 2015

Homework Help: physics

Posted by rosie on Thursday, June 30, 2011 at 9:42pm.

An initially stationary 15.0-kg crate of cheese wheels is pulled via a cable a distance d= 5.70m up a frictionless ramp to a height of h= 2.50m, where it stops. What is the potential energy of the crate after it is lifted? How much work is done during the lift? If it takes 10 seconds to lift the cheese, what is the power rating of the lifting device?

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