The main frictional force on a good bicycle is the force of air drag (Eq. 3.20). Consider
Question:
The main frictional force on a good bicycle is the force of air drag (Eq. 3.20). Consider a bicyclist coasting at a constant velocity on a road that is sloped downward at 5.08 with respect to the horizontal.
(a) Find her approximate terminal speed.
(b) Approximately how much work is done by air drag as she travels a distance of 5.0 km? She moves at a constant speed for essentially the entire trip.
(c) What is the power “output” associated with the air drag force?
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Terminal speed occurs when the net force on the cyclist is zero Here that happens when the air resis...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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