To a good approximation, the only external force that does work on a cyclist moving on level
Question:
To a good approximation, the only external force that does work on a cyclist moving on level ground is the force of air resistance. Suppose a cyclist is traveling at 15 km/h on level ground. 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 air resistance?
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a The power used for forward motion can be estimated by subtracting the power u...View the full answer
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Related Book For 
College Physics A Strategic Approach
ISBN: 9780321595492
2nd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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