Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
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