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Asked Sep 26, 2019
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A 2.0m diameter vertical cylinder, open at the to, is filled with ethyl alcohol to the mark. A worker pulls a plug from a hole 55cm from the bottom, causing the fluid level to begin dropping at a rate of 3.4mm/min. what i the diameter of the hole?

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From continuity ...

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и (3.4x10 /60) (3.4x10*/0)"+[2(9.8)](2-055) -1.045x10

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Fluid Mechanics

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