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Unformatted text preview: to about 7m so we get an area of 21. For sea water We can assume because this is a smaller submerged volume that the area is going to get a smaller and instead of using 7m we will use 6.5m. Problem 4(2.79. page82) Calculate the specific weight and volume of an object if it weighs 100N in air and 25N when submerged in water. Equations Solution: Problem 5(2.85. page82) What is the density, specific weight and specific gravity of an object if it weighs 50N in air and a force of 10N holds it down. Equations Problem 6(2.87. page82) A hydrometer has a mass with no mercury in it of .01 kg its designed to sit the midpoint of its 12 cm stem. Calculate the mass of mercury needed, specific gravity of the whole stem submerged and the stem totally exposed. EquationsSolutions: A) b) C) Not answered...
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 Fall '11
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