The main factional force on a good bicycle is the force of air drag (Eq. 3.20). Consider a...

The main factional 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 at 5.0° with respect to the horizontal. Find her speed. How much work is done by air drag as she travels a distance of 5.0 km?

(3.20)