February 28, 2017

Homework Help: physcial science

Posted by jake on Monday, February 11, 2008 at 5:29pm.

a 50 kg crate is lifted to a height of 10 meters.

a. how much potential energy does the crate have after being lifted?

b. if it took 5 seconds to lift the crate, using a machine what was the power rating of the machine?

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