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OpenStudy (anonymous):
what imformation would you ue to calculae the efficient of a macine
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OpenStudy (anonymous):
You can calculate the % efficiency of any machine provided that you know how much energy has to be put into it and how much useful energy comes out. Here is the equation:% efficiency = useful energy produced x 100 / total energy used - See more at: http://www.chacha.com/question/what-information-would-you-use-to-calculate-the-efficiency-of-a-machine#sthash.vfLeWURk.dpuf
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