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julie julie
wrote...
12 years ago
Engine #1 has an efficiency of 0.20 and requires 6000 J of input heat to perform a certain amount of work.  Engine #2 has an efficiency of 0.32 and performs the same amount of work. How much input heat does the second engine require?
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wrote...
12 years ago
Work = (1-EFF)*Input

Use the first engine's data to determine the work.  Then, use the second engine's data with the known work to solve for its input heat.
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