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A Jack System Will Increase The Potential Energy Of A Heavy Load By 1000 J With A Work Input Of 2000 J. The Efficiency Of The Jack System Is? - Math Discussion

A jack system will increase the potential energy of a heavy load by 1000 J with a work input of 2000 J. The efficiency of the jack system is?

GUEST 2015-11-13 09:50:05
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