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Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by seven-time-winner Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass. (a) How much work does he do during a 85-km race in which his average speed is 10.5 m/s? J (b) Often, the work done is expressed in nutritional Calories rather than in joules. Express the work done in part (a) in terms of nutritional Calories, noting that 1 joule = 2.389 10-4 nutritional Calories. nutritional Calories

User Nishita
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Answer: a) work done = 3946429.5 J

b) work done = 943.22 nutritional calories

Step-by-step explanation:

Bicyclists in the Tour de France do enormous amounts of work during a race. For example-example-1
User Piotrbienias
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