# Suppose you pour water into a container until it reaches a depth of 19 cm. Next, you carefully...

## Question:

Suppose you pour water into a container until it reaches a depth of 19 cm. Next, you carefully pour in a 15-cm thickness of olive oil so that it floats on top of the water. What is the pressure at the bottom of the container?

## Fluid Pressure

The pressure felt in a fluid at a certain depth is given by:

{eq}\begin{align*} P &= \rho \, g \, h \end{align*} {/eq}

where {eq}\rho {/eq} is the density of the fluid, {eq}g {/eq} is the acceleration due to gravity, and {eq}h {/eq} is the depth. If you have multiple layers of fluids, one must add the affects of each layer to find the total.

To calculate the pressure in this fluid, we use:

{eq}\begin{align*} P &= \rho \, g \, h \\ \\ &= \big(\rho \, g \, h\big)_{water} + \big( \rho \,...

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