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fluffycookie fluffycookie
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5 years ago
A common car engine is 20% efficient. When cruising, the car encounters an average retarding force of 1000 N. If the energy content of gasoline is 40 MJ/L, how many kilometers per liter does the car achieve?
A) 14 km/L
B) 12 km/L
C) 10 km/L
D) 8 km/L
E) none of the above
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carlx94carlx94
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5 years ago
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fluffycookie Author
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5 years ago
Brilliant
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