problem14_68

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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14.68: a) See problem 14.67. Replacing f with, respectively, w w water and w w fluid gives , - fluid fluid steel w w w ρ ρ = , - water fluid steel w w w ρ ρ = and dividing the second of these by the first gives . - - water fluid water fluid w w w w ρ ρ = b) When fluid w is greater than water, w the term on the right in the above expression is less than one, indicating that the fluids is less dense than water, and this is consistent with the buoyant force when suspended in liquid being less than that when suspended in water. If the density of the fluid is the same as that of water
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Unformatted text preview: = fluid w water w , as expected. Similarly, if fluid w is less than water w , the term on the right in the above expression is greater than one, indicating the the fluid is denser than water. c) Writing the result of part (a) as . 1 1 water fluid water fluid f f ρ ρ--= and solving for , fluid f ( 29 ( 29 ( 29 %. 4 . 84 844 . 128 . 220 . 1 1 1 1 water water fluid fluid = =-=--= f ρ ρ f...
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