Question

What is the water pressure at a depth of 30m in pascals?

Answer 1

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The water pressure at depth h from the water surface is obtained from the following equation.

$Pressure = (density) \times (gravity \: \: acceleration) \times (depth \: \: from \: \: the \: \: water \: \: surface)$

$density = 1000 \: \: \frac{kg}{ {m}^{3} }$

$gravity \: \: acceleration = 10 \: \: \frac{m}{ {s}^{2} }$

$depth \: \: from \: \: the \: \: the \: \: water \: \: surface = 30 \: \: m$

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$P = 1000 \times 10 \times 30$

$P = 300,000 \: \: pascals$

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