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Question
A car's engine is 20% efficient. When cruising, the car encounters an average retarding force of 1000 N. If the energy content of fuel is 40 megajoules per liter, how many kilometers per liter does the car achieve?A) 8
B) 10
C) 12
D) 14
E) none of the above
Answer
This answer is hidden. It contains 1 characters.
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