Engine 1 has an effi ciency of 0.18 and requires 5500 J of
Chapter , Problem 46(choose chapter or problem)
Engine 1 has an effi ciency of 0.18 and requires 5500 J of input heat to perform a certain amount of work. Engine 2 has an effi ciency of 0.26 and performs the same amount of work. How much input heat does the second engine require?
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