A group of engineering students at OU is planning to participate
in the International Autonomous Underwater Vehicle Competition. Students
are asked to design a miniature robotic submarine capable of performing
realistic missions in the remote underwater environment.

One of the given constraints is that the underwater vehicle needs
to reach a maximum depth of 12 meters.

There are two test sites: one is filled with fresh water and the other
filled with seawater.

Questions

To assist those students in determining
the design criteria, the pressure at a depth of 12 meters is needed.
Also, how will the density of the fluid affect the calculated pressure?

Approach

Assume the fluid is at rest.

Assume the fluid is incompressible.

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