Member since November 29, 2009

ctrgirl21

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ctrgirl21
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Scientific Math Qustins
Sun 29 Nov, 2009 07:47 pm - Chris uses a machin to help him do work. He notices that he has to put in 1000 joules of work to get out 900 joules of work from the machine. What is the machine's percent efficiency? (view)
 
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