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Somebody please check my charts? Scuba divers must learn about pressure under water. At the water’s surface, air exerts 1 atmosphere (atm) of pressure. Under water, the pressure increases. h e pressure P (atm) varies with depth d (ft) according to the equation P=(d/33)+1. Boyle’s law states that the volume V of air varies inversely with the pressure P. If you hold your breath, the volume of air in your lungs increases as you ascend. If you have 4 qt of air in your lungs at a depth of 66 ft (P= 3 atm), the air will expand to 6 qt when you reach 33 ft, where P = 2 atm.

Mathematics
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• Using the data in the example above, make a table and graph to show how the volume of air in your lungs varies with depth. • Make a table and graph to show how the volume of air in your lungs varies with pressure.
Depth Volume of Air in Lungs 0 ft 12 qt 33 ft 6 qt 66 ft 4 qt
Pressure Volume of Air in Lungs 1 atm 12 qt 2 atm 6 qt 3 atm 4 qt

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Other answers:

Really.. nobody can help?
well your Pressure and volume relation seems okay , since because \[P \alpha \frac{ 1 }{ V }\]
and as the relation says, with increase in depth , pressure increases hence volume should decrease so your, depth and volume relation seems correct :)
by the way your name scared me because it sounds like freeman, the scientist , Freeman Dyson
thats correct
Thanks for the help, greatly appreciated!

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