To a good approximation, the only external force that does work on a cyclist moving on
Chapter 11, Problem 42(choose chapter or problem)
To a good approximation, the only external force that does work on a cyclist moving on level ground is the force of airresistance. Suppose a cyclist is traveling at 15 km/h on levelground. Assume he is using 480 W of metabolic power.a. Estimate the amount of power he uses for forward motion.b. How much force must he exert to overcome the force of airresistance?
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