The main cross-cable between towers of a coastal suspension bridge is 27 nouinde of 675 km/h

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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The main cross-cable between towors of a coastal suspension bridge is 27.9 cm
in diameter and 60 m long. Estimate the total drag force in (N] on this cable in crosswinds of 67.5 km/h.
Assume the temperature of air is 15°C. Assume the drag coefficient is 1.5. The tolerance of your answer is 2%.
PROPERTIES
Air at 15"C
Density = 123 kglm
Dynamic viscosity 1.79 x 10 Ns/m?
Transcribed Image Text:The main cross-cable between towors of a coastal suspension bridge is 27.9 cm in diameter and 60 m long. Estimate the total drag force in (N] on this cable in crosswinds of 67.5 km/h. Assume the temperature of air is 15°C. Assume the drag coefficient is 1.5. The tolerance of your answer is 2%. PROPERTIES Air at 15"C Density = 123 kglm Dynamic viscosity 1.79 x 10 Ns/m?
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