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iheartfood Group Title

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

  • one year ago
  • one year ago

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  1. iheartfood Group Title
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    • one year ago
  2. iheartfood Group Title
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    Answer choices A,B,C,D from top to bottom :)

    • one year ago
  3. jim_thompson5910 Group Title
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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?

    • one year ago
  4. iheartfood Group Title
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    umm p(.75) ??

    • one year ago
  5. jim_thompson5910 Group Title
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    p(0.75) means that you're finding the pressure when h = 0.75

    • one year ago
  6. iheartfood Group Title
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    so thats not it??

    • one year ago
  7. jim_thompson5910 Group Title
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    no

    • one year ago
  8. iheartfood Group Title
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    it is?

    • one year ago
  9. iheartfood Group Title
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    or it isn't?? :/ if so, what do i do next?

    • one year ago
  10. jim_thompson5910 Group Title
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    it says right in there that the pressure at sea level is P0

    • one year ago
  11. iheartfood Group Title
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    ohhh i see now.. kk what do i do now?

    • one year ago
  12. iheartfood Group Title
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    do i plug in or something?

    • one year ago
  13. jim_thompson5910 Group Title
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    75% of this pressure at sea level is what

    • one year ago
  14. iheartfood Group Title
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    .75Po ?

    • one year ago
  15. jim_thompson5910 Group Title
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    yep

    • one year ago
  16. jim_thompson5910 Group Title
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    so replace P(h) with 0.75P0

    • one year ago
  17. jim_thompson5910 Group Title
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    because at this unknown height, the pressure is 75% of the sea level pressure

    • one year ago
  18. iheartfood Group Title
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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??

    • one year ago
  19. jim_thompson5910 Group Title
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    yep

    • one year ago
  20. iheartfood Group Title
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    awesome! thanks!! :)

    • one year ago
  21. iheartfood Group Title
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    awesome! thanks!! :)

    • one year ago
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