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iheartfood

  • 3 years ago

Air pressure may be represented as a function of height above the surface of the Earth as shown below.

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  1. iheartfood
    • 3 years ago
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  2. iheartfood
    • 3 years ago
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    Answer choices A,B,C,D from top to bottom :)

  3. jim_thompson5910
    • 3 years ago
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    P(h) is the pressure at some height h It's given that the pressure at this unknown height is 75% of the pressure at sea level What is the pressure at sea level?

  4. iheartfood
    • 3 years ago
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    umm p(.75) ??

  5. jim_thompson5910
    • 3 years ago
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    p(0.75) means that you're finding the pressure when h = 0.75

  6. iheartfood
    • 3 years ago
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    so thats not it??

  7. jim_thompson5910
    • 3 years ago
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    no

  8. iheartfood
    • 3 years ago
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    it is?

  9. iheartfood
    • 3 years ago
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    or it isn't?? :/ if so, what do i do next?

  10. jim_thompson5910
    • 3 years ago
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    it says right in there that the pressure at sea level is P0

  11. iheartfood
    • 3 years ago
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    ohhh i see now.. kk what do i do now?

  12. iheartfood
    • 3 years ago
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    do i plug in or something?

  13. jim_thompson5910
    • 3 years ago
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    75% of this pressure at sea level is what

  14. iheartfood
    • 3 years ago
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    .75Po ?

  15. jim_thompson5910
    • 3 years ago
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    yep

  16. jim_thompson5910
    • 3 years ago
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    so replace P(h) with 0.75P0

  17. jim_thompson5910
    • 3 years ago
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    because at this unknown height, the pressure is 75% of the sea level pressure

  18. iheartfood
    • 3 years ago
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    oh i see, so that leaves me with B as my answer right?? because of that and we do process of elimination it right??

  19. jim_thompson5910
    • 3 years ago
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    yep

  20. iheartfood
    • 3 years ago
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    awesome! thanks!! :)

  21. iheartfood
    • 3 years ago
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    awesome! thanks!! :)

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