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aal0315
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Homework Statement
Gasoline yields 4.8x10^7 J/kg when burned. How much energy does a car use traveling a distance of 150 km if it gets 25 miles per (British) gallon? Assume that the density of gasoline is 68% that of water.
Homework Equations
The Attempt at a Solution
I don't really know where to begin with this question. All i know is that 25mpg is equal to 40.225km per gallon.
Any suggestions?