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 4
Q
State your mass and then estimate your volume. [Hint: Because you can swim on or just under the surface of the water in a swimming pool, you have a pretty good idea of your density.]
A
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VIDEO TRANSCRIPT
This is Giancoli Answers with Mr. Dychko. Density is mass divided by volume and we can solve for volume by multiplying both sides by V over ρ and then the ρ's cancel on the left leaving us with V and on the right hand side, the V's cancel leaving us with ρ on the bottom. And that's gonna be my mass of about 90 kilograms divided by the density of water which is the approximate density of a human because you barely float and so your density must be similar to that of water and so 90 over 1000 is 0.09 cubic meters for volume.
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