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Barometric height

 
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Feb3-08, 10:34 PM   #1
 

Barometric height

What would be the height of the mercury level in a Mercury barometer if that barometer is falling freely?
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Feb3-08, 11:36 PM   #2
 
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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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