The efficiency of an average gasoline-powered car is about 20%. This means
A. the gas tank needs to be 20% filled with gasoline for motion.
B. the car uses 80% of the energy stored in the gasoline for motion.
C. the car uses 20% of the energy store in the gasoline for motion.
D. the car wastes 20% of the energy stores in the gasoline.
Answers: 3
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The efficiency of an average gasoline-powered car is about 20%. This means
A. the gas tank needs to...
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