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2004C Test 1

# 2004C Test 1 - AERO 201 Q Q Test 1 Fall 2004 Name Q Q Q Q...

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°±²³´µ¶· ¶¸¹ º±¸»·²¼½±¸¼ dp = - ρ g dh G dp = - ρ g o dh p 2 - p 1 = - ρ f g (h 2 - h 1 ) g o = 32.2 ft/s 2 = 9.81 m/s 2 p = ρ RT ρ AV = constant F ma = ° ° 2 2 1 2 1 2 V V p p 2 2 ρ ρ + = + = constant p S = 2116 lb/ft 2 = 1.013 x 10 5 N/m 2 = 1 atm T S = 59 O F = 15 O C = 519 O R = 288 O K ρ s = 0.002378 lb sec 2 /ft 4 = 1.225 kg/m 3 R air = 1716 ft lb/(slug o R) = 287 N m/(kg o K) 0 1 g (h h ) RT 1 p e p - - = 0 g aR 1 1 p T ( ) p T - = E G E G R h ( )h R h = + F = G M m / R 2 T(h) = 15 - .0065h (Toussaint’s Formula, T is in o C, h is in meters) ( _ ) 0 R = ( _ ) 0 F + 460 0 ( _ ) 0 K = ( _ ) 0 C + 273 0 1.8 0 R = 1.0 0 K 0.0683 slug (= 2.2 lb m ) = 1 kg 0.224 lb (= 0.102 kg f ) = 1 N 1 ft = 0.3048 m --------------------------------------------------------------------------------------------------------------------- 1. (5%) Using Newton's Law of Universal Gravitation, show the proper (consistent) units for the constant G in the English (lb, ft, sec) system of units. 2. (5%) Engineers on an isolated island off the coast of Greece have developed there own set of units (using Greek letters) which consistently obey Newton’s second law. The conversion table ° was established. Determine the missing conversion factor for units of force.

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