Giancoli's Physics: Principles with Applications, 7th Edition
10
Fluids
Change chapter10-2: Density and Specific Gravity
10-3 to 10-6: Pressure; Pascal's Principle
10-7: Buoyancy and Archimedes' Principle
10-8 to 10-10: Fluid Flow, Bernoulli's Equation
10-11: Viscosity
10-12: Flow in Tubes; Poiseuille's Equation
10-13: Surface Tension and Capillarity
10-14: Pumps; the Heart
Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 10
Q
What is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.75-m-tall person standing vertically?
A
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VIDEO TRANSCRIPT
This is Giancoli Answers with Mr. Dychko. The difference in pressure between the head and the feet will be the density of blood—1.05 times 10 to the 3 kilograms per cubic meter— times g—9.8 newtons per kilogram— times height of the person—1.75 meters— and this gives our answer in pascals and we convert it to millimeters in mercury by going 1 millimeter mercury for every 133 pascals that gives about 135 millimeters of mercury.
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