Calculate net efficiency, given the following:Resting VO2 = 0.25 liters per minuteExercise VO2 = 1. 50 liters per minuteWork rate = 100 watts (W) or 612 kilopond meters per minute1 watt = 1 joule per second1 kcal = 4186 joules1 liter VO2 = 5 kcal or 20,930 joules
A. approximately 23%
B. approximately 20%
C. approximately 28%
D. approximately 19%
Answer: A
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