A 70 kg bicyclist is coasting down a long hill with a 1.9 ∘ slope. He's moving quite rapidly, so air drag is important. His cross-section area is 0.32 m2 and his drag coefficient is 0.88. What speed does he eventually reach, in mph ? Express your answer in miles per hour.
A 70 kg bicyclist is coasting down a long hill with a 1.9 ∘ slope. He's moving quite rapidly, so air drag is important. His cross-section area is 0.32 m2 and his drag coefficient is 0.88. What speed does he eventually reach, in mph ? Express your answer in miles per hour.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 83P: By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
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A 70 kg bicyclist is coasting down a long hill with a 1.9 ∘ slope. He's moving quite rapidly, so air drag is important. His cross-section area is 0.32 m2 and his drag coefficient is 0.88.
What speed does he eventually reach, in mph
?
Express your answer in miles per hour.
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