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kirk.freedman

  • 3 years ago

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.

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  1. kirk.freedman
    • 3 years ago
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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.

  2. kirk.freedman
    • 3 years ago
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    Depth Volume of Air in Lungs 0 ft 12 qt 33 ft 6 qt 66 ft 4 qt

  3. kirk.freedman
    • 3 years ago
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    Pressure Volume of Air in Lungs 1 atm 12 qt 2 atm 6 qt 3 atm 4 qt

  4. kirk.freedman
    • 3 years ago
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    @hero @campbell_st @tcarroll010 @Luis_Rivera @mathstudent55

  5. kirk.freedman
    • 3 years ago
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    @amistre64 @Callisto @Directrix @precal

  6. kirk.freedman
    • 3 years ago
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    Really.. nobody can help?

  7. kirk.freedman
    • 3 years ago
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    @TuringTest @robtobey @phi

  8. kirk.freedman
    • 3 years ago
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    @ghazi

  9. ghazi
    • 3 years ago
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    well your Pressure and volume relation seems okay , since because \[P \alpha \frac{ 1 }{ V }\]

  10. ghazi
    • 3 years ago
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    and as the relation says, with increase in depth , pressure increases hence volume should decrease so your, depth and volume relation seems correct :)

  11. ghazi
    • 3 years ago
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    by the way your name scared me because it sounds like freeman, the scientist , Freeman Dyson

  12. ghazi
    • 3 years ago
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    thats correct

  13. kirk.freedman
    • 3 years ago
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    Thanks for the help, greatly appreciated!

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