The deepest point in the ocean is 11 km below sea level, deeper than MT....

Kathleen Rausch

Kathleen Rausch

Answered question


The deepest point in the ocean is 11 km below sea level, deeper than MT. Everest is tall. What is the pressure in atmospheres at this depth?

Answer & Explanation



Beginner2021-12-20Added 36 answers

Density of sea water p=1029kgm3
Atmospheric pressure P0=1.01×105Pa
Depth h=11km=11×103m
Pressure of water at the deepest point
Therefore net pressure =P+P0=1099+1atm=1100atm


Beginner2021-12-21Added 42 answers

The following provides the pressure equation:

Don Sumner

Don Sumner

Beginner2021-12-27Added 35 answers

Concepts and reason 
The concepts required to solve the given questions is the pressure in the atmosphere at the depth.
Initially, calculate the depth form km to m. Later, write an expression for the pressure at the depth. Finally, calculate the pressure in the atmosphere at this depth. 
The following is the term for the atmosphere at a certain depth:
Here, is the initial atmospheric pressure, D is the density of water, g is the acceleration due to gravity, and h is the deepest point in the ocean.
The depth in km is equal to, 
h=11 km
Then, change it to m as follows:
h=11 km(103 m1 km)
=11000 m
The depth of the ocean is converted from km to m on multiplying by a factor of 103
Substitute 1.00 atm for P01030 kg/m3 for D, 9.8m/s2 for g, and 11000 m for h in the equation P=P0+Dgh
P=1.00 atm+(1030 kg/m3)(9.8 m/s2)(11000 m)
=1.00 atm+1096.09 atm
=1097.09 atm
The pressure in the atmosphere at the depth is equal to 1097.09 atm. 
The density of the water is equal to 1000 kg/m3. However, we must determine the depth of the ocean at that particular point. The ocean contains salt water so, we have to use density of the salt water.

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