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Water from a storm drain flows over an outfall onto a porous bed which absorbs the water at a uniform vertical velocity of 8 mm/s, as shown in Fig. P3.19. The system is 5 m deep into the paper. Find the length L of bed which will completely absorb the storm water. <image 1>



(A) 50 m


(B) 70 m


(C) 90 m


Answer with the option's letter from the given choices directly. No punctuation.


(C)


Expected Answer: A

Difficulty: Medium

Subfield: Fluid Mechanics

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Input ID
55d72580-cafc-4bd0-ad23-ce56b9d85bad
Created
February 15, 2024
Permission
Public