Question #b9560

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Question #b9560

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Answer 1 · 2018-02-08T17:26:38

The depth of the lake = 4.9m

Explanation:

Use the equation: $P$ $P$ = $h$ $h$ $ρ$ $rho$ $g$ $g$ . This formula is used to find the pressure in liquids.

$P$ $P$ refers to the pressure.
$h$ $h$ refers to the height/depth.
$ρ$ $rho$ refers to the density of the liquid.
$g$ $g$ refers to the gravitational pull of the Earth.

Now, make h the subject of the formula: $P$ $P$ / $ρ$ $rho$ $g$ $g$ = $h$ $h$

Now, we assume that the density of the water is 1000 $k g$ $kg$ / $m^{3}$ $m^3$ .

Then, we input the values: $h$ $h$ = 49000/(1000 $\times$ $xx$ 10)

Which gives us the answer of 4.9 $m$ $m$ .

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Question #b9560

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