Final_02a_Solution

# Final_02a_Solution - Final_02a_Solution Page 1/7 CIE 350...

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Final_02a_Solution.doc CIE 350 - FINAL -12/20/2002 Page 1/7 Your Name__ OFFICIAL ANSWER SHEET ______________________________________ ρ w = 1.98 Slugs/F 3 or 1000 Kg/M 3 g = 32.2 F/S 2 or 9.81 M/S 2 1 Ft 3 /S = 449 GPM ν 10 -6 M 2 /S 10 -5 F 2 /S There are 6 problems, each is worth 20 points. Work any 5. You may work the sixth for 10% extra credit. You must specify which one is extra credit. (#1) A 0.5m X 0.5m X 0.5m wooden cube (specific gravity = 0.4) floats in a tank of water. a) How much of the cube extends above the water surface? b) If the tank were pressurized so the air pressure at the water surface was increased by 101.3 kPa, how much of the cube would now extend above the water surface? Explain how you arrived at your answer. Note: you may assume that, for all practical purposes, both the air and water densities remain unchanged. γ H2O Water Air x 0.5-x s. assumption Note . difference no makes pressure of Change b) !!!! EKA!!!!!!! !!!!!!!EUR !!!!!!!!!! water! displaced Weight of object Weight of 0.3M x 0.2M x 0.5M 0.4 γ * A * 0.5M γ x) (0.5 A a) 0.25M 0.5M * 0.5M Area A 0 H 0 H 2 2 2 = = = = = = =

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Final_02a_Solution.doc CIE 350 - FINAL -12/20/2002 Page 2/7 Your Name__ OFFICIAL ANSWER SHEET ______________________________________ ρ w = 1.98 Slugs/F 3 or 1000 Kg/M 3 g = 32.2 F/S 2 or 9.81 M/S 2 1 Ft 3 /S = 449 GPM ν 10 -6 M 2 /S 10 -5 F 2 /S (#2) The massless, 4 – foot – wide rectulangular gate shown,
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Final_02a_Solution - Final_02a_Solution Page 1/7 CIE 350...

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