Quiz5 - 57:020 Mechanics of Fluids and Transport October...

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Unformatted text preview: 57:020 Mechanics of Fluids and Transport October 15, 2010 NAME Fluids-ID Quiz 5. The cylindrical container shown in the figure is D = 20 cm in diameter and has an exit hole of d = 3 cm diameter at the bottom. The tank contains fresh water. If the water surface is falling at the nearly steady rate dh/dt -0.072 m/s, estimate the average velocity V from the bottom exit Conservation of mass: Solution: From the conservation of mass law with one outlet and no inlet, (+3 points) By noting that is the mass of the water in the tank at time and is the mass flow rate through the exit hole, or (+5 points) Thus, (+2 points) ...
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This note was uploaded on 12/08/2011 for the course MECHANICS 57:020 taught by Professor Fredrickstern during the Fall '10 term at University of Iowa.

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