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A machine is supplied energy at a rate of 4000 watts and does useful work at a rate of 3761 watts what

is the efficiency of the machine

User Karli
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1 Answer

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The efficiency of the machine is

output energy / input energy

= output power / input power

= 3,761 watts / 4,000 watts

= (3,761 / 4,000)

= 0.94025

= 94.025 %

User Yitzhak Khabinsky
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