Question

A tank with a flat bottom is filled with water to a height of 4 meters. What is the pressure at any point at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.)

Answer 1

pressure inside liquid
density ×gravitational field strength × height
4×10× 1000
40000 Pa is your answer

Answer 2

The pressure at any point at the bottom of the tank is 39200 Pa.

Explanation:

It is given that,

A tank with a flat bottom is filled with water to a height of 4 meters, h = 4 m

Let P is the pressure at any point at the bottom of the tank. Its relation is given by :

$P=\rho gh$

$\rho$ is the density of water

g is acceleration due to gravity

$P=1000\ kg/m^3\times 9.8\ m/s^2\times 4\ m$

P = 39200 Pa

Learn more :

Pressure

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