Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003phtea..41..184d&link_type=abstract
The Physics Teacher, Volume 41, Issue 3, pp. 184-184 (2003).
Physics
1
Demonstration Experiments And Apparatus, Hydrodynamics, Hydraulics, Hydrostatics
Scientific paper
Air pressure being in the neighborhood of 1033 gm/cm2 supports a column of mercury having height 76 cm, more or less, because mercury ``weighs'' 13.5951 gm/cm3 [(76 cm) (13.5951 gm/cm3) = 1033 gm/cm2]. By contrast, since water weighs only 1gm/cm3, air pressure would support a column of water 13.6 times as high, or over 10 m. Making a barometer using a standing column of water would be a tall order, so to speak, although at least one enterprising physics teacher did make one.1 Using algebra, however, you can make a desktop water barometer.
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