Bicyclists in the Tour de France do enormous amounts of workduring a race. For example, the average power per kilogram generated by 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 140 km race in which his average speed is 13.0 m/s? (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.

Question

Bicyclists in the Tour de France do enormous amounts of workduring a race. For example, the average power per kilogram generated by 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 140 km race in which his average speed is 13.0 m/s?  (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.

sovienesY · Accepted Answer

.

Bicyclists in the Tour de France do enormous amounts of workduring a race. For example, the average power per kilogram generated by Lance Armstrong (m

Answered question

Answer & Explanation

New Questions in Other