Some miners wish to remove water from a mine shaft. A pipe is lowered to the water
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Some miners wish to remove water from a mine shaft. A pipe is lowered to the water 90 m below, and a negative pressure is applied to raise the water.
(a) Calculate the pressure needed to raise the water.
(b) What is unreasonable about this pressure?
(c) What is unreasonable about the premise?
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a To calculate the pressure needed to raise the water we can use the following equation P gh where P ...View the full answer
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