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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
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Jan 20, 2017
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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
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Karli
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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 %
Yitzhak Khabinsky
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Jan 26, 2017
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Yitzhak Khabinsky
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