The barometric pressure p (in inches of mercury) at an altitude x miles above sea level satisfies

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The barometric pressure p (in inches of mercury) at an altitude x miles above sea level satisfies the initial value problem dp/dx = (-0.2)p, p(0) = 29.92.

(a) Calculate the barometric pressure at 10,000 ft and again at 30,000 ft.

(b) Without prior conditioning, few people can survive when the pressure drops to less than 15 in. of mercury. How high is that?

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Related Book For  answer-question

Differential Equations And Linear Algebra

ISBN: 9780134497181

4th Edition

Authors: C. Edwards, David Penney, David Calvis

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