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Barometric height

  1. Feb 3, 2008 #1
    What would be the height of the mercury level in a Mercury barometer if that barometer is falling freely?
  2. jcsd
  3. Feb 3, 2008 #2


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    Staff: Mentor

    A mercury barometer in freefall doesn't show air pressure because the column of mercury has no weight. So the height of the mercury is the height of the tube.
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