Question

Determine the pressure point in a liquid container within a pool. The height of the liquid column is 9 m, The density of the liquid is 997 kg/m^3, and gravity is 9.8 m/s^2.

Answer 1

Absolute pressure: $1.89\cdot 10^5 Pa$

Explanation:

The total pressure at a certain depth of a liquid is given by

$p=p_0 + \rho g h$

where

$p_0 = 1.01\cdot 10^5 Pa$ is the atmospheric pressure

$\rho$ is the density of the liquid

g is the acceleration of gravity

h is the depth of the liquid

For the liquid in this problem, we have

$\rho=997 kg/m^3$ is the density

$g=9.8 m/s^2$

h = 9 m is the column of liquid

Substituting, we find

$p=1.01\cdot 10^5 + (997)(9.8)(9)=1.89\cdot 10^5 Pa$

Learn more about pressure in a fluid:

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