The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the region above the curve y = 0.5x' and below the line y = 220. (Here, distances are measured in meters.) The water level is 20 meters below the top of the dam. Find the force (in Newtons) exerted kg on the dam by water pressure. (Water has a density of 1000, and the acceleration of gravity is т 9.8- :) sec2

Algebra: Structure And Method, Book 1
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Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
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Section12.8: Joint And Combined Variation
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Note: In the text, all questions use 62.5 pounds/ft as the force per volume density of water.
In metric, we would need Newtons/meter. The mass density per volume of water is 1000 kg/m³.
To convert this into a force density per volume, we multiply by gravity, approximately 9.8 m/s?. The
resulting quantity is the force density per volume in metric: 9800 N/m³.
Transcribed Image Text:Note: In the text, all questions use 62.5 pounds/ft as the force per volume density of water. In metric, we would need Newtons/meter. The mass density per volume of water is 1000 kg/m³. To convert this into a force density per volume, we multiply by gravity, approximately 9.8 m/s?. The resulting quantity is the force density per volume in metric: 9800 N/m³.
The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the
region above the curve y = 0.5x' and below the line y = 220. (Here, distances are measured in
meters.) The water level is 20 meters below the top of the dam. Find the force (in Newtons) exerted
kg
on the dam by water pressure. (Water has a density of 1000, and the acceleration of gravity is
т
9.8-
:)
sec2
Transcribed Image Text:The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the region above the curve y = 0.5x' and below the line y = 220. (Here, distances are measured in meters.) The water level is 20 meters below the top of the dam. Find the force (in Newtons) exerted kg on the dam by water pressure. (Water has a density of 1000, and the acceleration of gravity is т 9.8- :) sec2
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