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An engine has an energy input of 125j and 35 j of that energy is transformed into useful energy

An engine has an energy input of 125j and 35 j of that energy is transformed into useful energy
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An engine has an energy input of 125j and 35 j of that energy is transformed into useful energy

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User Mike Elkins
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The engine's efficiency is (35J)/125J) = 28% .

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User AHegde
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