The barometric pressure p (in inches of mercury) is related to the height h

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Marcus Fenix

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above sea level (in miles)? by the equation h= -5 ln(p/29.92).

The following pressure readings were made by a weather balloon. At what heights were they made?

a) 29.92 in.
b) 20.05 in.
c) 11.92 in.
 
h = -5 ln(29.92/29.92) = -5ln(1) = 0 miles

h = -5ln(20.05/29.92) = 2.001 miles

h = -5ln(11.92/29.92) = 4.6 miles
 
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