The altitude of the city is about 91 m above sea level, determine the normal atmospheric pressure for our city

The altitude of the city is about 91 m above sea level, determine the normal atmospheric pressure for our city, knowing the normal pressure above sea level.

Norm = 760 mm Hg
Every 12 meters up – the pressure decreases by 1 mm Hg
91/12 = 7.6 – for so many mm Hg pressure will drop
So for your city the norm is about 760-7.6 = 752.4 mm Hg.
Shl. mmHg. – these are millimeters of mercury



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