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July 23, 2014

Homework Help: Physical Science

Posted by junior on Friday, June 24, 2011 at 11:27am.

an initially stationary 15.0 kg crate of cheese wheels is pulled via a cable a distance d = 5.70 m up a frictionless ramp to a height of h = 2.5 m, where it stops. What is its 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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