Pikes Peak near Denver, Colorado, has an elecation of 14,110ft. b) If the air is

Question

Pikes Peak near Denver, Colorado, has an elecation of 14,110ft. b) If the air is assumed to have a constant specific weight of0.07647 lb/ft^3, what would the pressure be at this altitude? c) If the air is assumed to have a constant temperature of 59degrees F, what would the pressure be at this elevation? Farall three cases assume standard atmospheric conditions at sealevel. Pikes Peak near Denver, Colorado, has an elecation of 14,110ft. b) If the air is assumed to have a constant specific weight of0.07647 lb/ft^3, what would the pressure be at this altitude? c) If the air is assumed to have a constant temperature of 59degrees F, what would the pressure be at this elevation? Farall three cases assume standard atmospheric conditions at sealevel.

Explanation / Answer

(b) given: elecation h = 14,110 ft specific weight = 0.07647 lb/ft^3 pressure p =h*specific weight pressure p =14110*0.07647 lb/ft2 pressure p =1079 lb/ft2 (c) at T=59 degrees F =>T= 288K let P is the pressure at T=288K we know that at T1 = 293K, pressure P1 =101,325 Pa we know that P T so, P/P1 = T/T1 =>P =101325*288/293 P = 99596 Pa

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