7. Nellie and Goldie are coasting on their bicycles down a 10° slope at 15 m/s through still air. The mass of Nellie and her bicycle is 60 kg. The mass of Goldie and her bicycle is 90 kg. The cross-sectional area of Nellie and her bicycle is 0.45, while the crosssectional area of Goldie and her bicycle is 0.60. The drag coefficient for both cyclists is 0.70. Other than gravity and air resistance, the external forces acting on the two bicycle and rider systems are the same. Which cyclist is more affected by air resistance?
7. Nellie and Goldie are coasting on their bicycles down a 10° slope at 15 m/s through still air. The mass of Nellie and her bicycle is 60 kg. The mass of Goldie and her bicycle is 90 kg. The cross-sectional area of Nellie and her bicycle is 0.45, while the crosssectional area of Goldie and her bicycle is 0.60. The drag coefficient for both cyclists is 0.70. Other than gravity and air resistance, the external forces acting on the two bicycle and rider systems are the same. Which cyclist is more affected by air resistance?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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7. Nellie and Goldie are coasting on their bicycles down a 10° slope at 15 m/s through still
air. The mass of Nellie and her bicycle is 60 kg. The mass of Goldie and her bicycle is
90 kg. The cross-sectional area of Nellie and her bicycle is 0.45, while the crosssectional area of Goldie and her bicycle is 0.60. The drag coefficient for both cyclists is
0.70. Other than gravity and air resistance, the external forces acting on the two bicycle
and rider systems are the same. Which cyclist is more affected by air resistance?
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