A diver is 12 m below the surface of a lake.
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A diver is below the surface of a lake. Find the pressure due to the water and the total pressure. (Water , , air pressure .)
Need a reminder? The key ideaShow
In a liquid, at a depth . Water: . Total pressure air pressure () . A liquid passes a pressure on equally (Pascal's law).
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. Water. .
Step 2. Total. .
Answer: ; , more than twice the air pressure.
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