Question

if the column of water in the water barometer rose to a height of 33 feet, what would the atmospheric pressure be in mm Hg?

Answer 1

The pressure exerted by a static fluid depends only upon the depth of the fluid, the density of the fluid, and the acceleration of gravity. It can be calculated as follows:

P = density x g x h
P = 1000 kg/m^3 x 9.8 m / s x 33 ft x 0.3048 m/ft
P = 98572.32 kg/m^2

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