Solved: (Ill) A bicyclist can coast down a 7.0 hill at a
Chapter , Problem 69(choose chapter or problem)
(Ill) A bicyclist can coast down a 7.0 hill at a steady9.5 km/h. If the drag force is proportional to the square ofthe speed v, so that FD = cv2, calculate (a) the value ofthe constant c and (b) the average force that must be appliedin order to descend the hill at 25 km/h. The mass of thecyclist plus bicycle is 80.0 kg. Ignore other types of friction.
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