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Given that the density of air is 1.225 kg...
Engineering, 08.04.2021 06:20, cdavis379
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NO LINKS JUST A SERIOUS ANSWER WIT WORK
Given that the density of air is 1.225 kg/m3 at Standard Temperature and Pressure (STP, Sea Level) and: 2.205 lb = 1 kg, 39.37 in = 1 meter, 32.2 lb = 1 slug, 12 in = 1 ft,
1) What is the density of air (at STP) in slug/ft3 ?
2) What is the density of air (at STP) in lb/ft3 ?
3) What is the density of air (at STP) in lb/in3 ?
4) Assuming that the density of air varies linearly with altitude from Sea Level where it is 1.225 kg/m3 to 55,500 ft altitude where it is assumed to be 0.0, determine what the air pressure in lbs/in2 is at Sea Level.
5) Using the same assumptions as in #4 what would the air pressure be at 40,500 ft of altitude?
Answers: 2
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