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Unformatted text preview: solid wall, what is the tangential force exerted on one square centimeter of the wall by flow of air along it? If the pressure of the air is 1 atm, what normal force would be exerted on that 1 cm^2 bit of wall? 6. If a square plate of area A is exposed to 2 atm on the bottom and 1 atm on the top, how big does the plate have to be to support a 60,000 lb airplane? 7. What is the speed of sound in MKS units in standard air? What is your Mach number if you are driving along the road at 60 mph?...
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This document was uploaded on 01/22/2012.
 Fall '09

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