If the temperature is constant, then the atmospheric pressure P (in pounds/square inch) varies with the altitude above sea level h in accordance with the law , where p0 is the atmospheric pressure at sea level and k is a constant.
If the atmospheric pressure is 17 lb/in.2 at sea level and 12.5 lb/in.2 at 6,000 ft, find the atmospheric pressure at an altitude of 18,000 ft. Please round the answer to one decimal place.
__________ lb/in.2
How fast is the atmospheric pressure changing with respect to altitude at an altitude of 18,000 ft? Please round the answer to four decimal places.
__________ lb/in.2/ft
Correct Answer:
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