fluid mechanics problems

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With the distance: 0.610 m, nutrient solution (ρ = 1040 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood? Express your answer in millimeters of mercury.

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ñ * g * 0.610 m is the gaughe pressure of the blood entering the vein, in units of N/m^2.

To convert to mm of Hg, use the conversion 1 atm = 1.013*10^5 N/m^2 = 760 mm Hg
(or divide 610 mm by the ratio of the densities of mercury and the fluid, which is about 13.5)

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