Answered: Cd=1.4 (coefficient of drag) ¥=10…

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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1. The given information is as follows:

C_d=1.4 (coefficient of drag) ¥=10 ft/sec (velocity)

Ƴ=62.4 #/ft³g=32.3 ft/sec²

a. What is the water pressure in PSF against the obstruction?

b. If the pier is 6 ft wide and 14 ft deep, what is the Resultant Pressure on the WHOLE obstruction?

c. If the obstruction is fixed into the bottom of the river (mud line), what is the bending moment at the mudline on the obstruction?

Top of Water
6 ft wide pier
14 ft Deep
Water Flow
Bending
Mudline
Moment here
Soil

Expert Solution

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$g i v e n c o e f f i c i e n t o f d r a g C_{D} = 1.4 v e l o c i t y o f w a t e r V = 10 f t / s d e n s i t y o f w a t e r γ = 62.4 l b / f t^{3} g = 32.3 f t / s e c^{2}$

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