First slide

Pressure in a fluid-mechanical properties of fluids

Question

How high (in m) would water rise in the pipes of a building, if the water pressure gauge shows the pressure at the ground floor to be 270 kPa.

Easy

Solution

$Here, P = 270 kPa = 270 \times 10^{3} Pa$
Let h be the height to which water rises in the pipes.
$\begin{array}{l} Then, F = h ρ g \\ or h = \frac{P}{ρ g} = \frac{270 \times 10^{3}}{10^{3} \times 10} = 27 m \end{array}$

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