A spillway (which is 35.65 feet long) whose crest is at Elev. 40.0m releases water from a reservoir whose surface area is 4.0 hectares with an initial elevation of Elev. 41.8m. How long will it take (in minutes) for the water level to drop by 1 meter? None of the choices 30 minutes 20 minutes 15 minutes 25 minutes

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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pls answer in 3 decimal places. subject: hydraulics engineering

A spillway (which is 35.65 feet long) whose crest is at Elev. 40.0m releases water from a reservoir whose surface area is 4.0 hectares with an initial elevation of Elev. 41.8m.
How long will it take (in minutes) for the water level to drop by 1 meter?
None of the choices
30 minutes
20 minutes
15 minutes
25 minutes
Transcribed Image Text:A spillway (which is 35.65 feet long) whose crest is at Elev. 40.0m releases water from a reservoir whose surface area is 4.0 hectares with an initial elevation of Elev. 41.8m. How long will it take (in minutes) for the water level to drop by 1 meter? None of the choices 30 minutes 20 minutes 15 minutes 25 minutes
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