 In a medium condition of the atmosphere, and near the sea-level, barometrical observations give the pressure or weight equal to that of a column of mercury, 30 inches high, or of a column of water about 34 feet high.  Examples in Physics - Page 97de Daniel Evan Jones - 1896 - 348 pagesAffichage du livre entier - À propos de ce livre
 | Charles Hutton - 1807 - 464 pages
...inches, or the medium height, weighs very near 14| pounds. 329. Carol. 1. Hence also the weight or pressure of the atmosphere, is equal to that of a column of water from 32 to 35 feet high, or on a medium 33 or 34 feet high. For, water and quicksilver arc in... | |
 | Charles Hutton - 1811 - 442 pages
...inches, or the medium height, weighs very near 1 4| pounds. 367. Corol. 2. .Hence also the weight or pressure of the atmosphere, is equal to that of a column of water from 32 to 35 feet high, or on a, medium S3 or 34- feet high. For, water and quicksilver are... | |
 | Charles Hutton - 1812 - 406 pages
...its motion retarded, by the pressure of the incumbent air on the forepart of the ball. This pressure is equal to that of a column of mercury 30 inches high, or equal to mcd* as found above; which retarding force is to the weight of the ball w, as -^— to 1.... | |
 | Charles Hutton - 1815 - 686 pages
...barometer, weighs almost 15 pounds, or rather 14jlb very nearly. Coral. 2. Hence also the weight or pressure of the atmosphere, is equal to that of a column of water from 32 to 35 feet high, or on a medium 33 or 34 feet high. For water and quickislver are in... | |
 | John Robison - 1822 - 736 pages
...surface is h, but the velocity with which it will issue from a hole whose depth is h + 38 feet. Because the pressure of the atmosphere is equal to that of a column of water 33 feet high ; for this is the acknowledged velocity with which it would rush into the void left... | |
 | Charles Hutton - 1822 - 680 pages
...30 inches, or the medium height, weighs very near 14| pounds. 367. CoroL 2. Hence also the weight or pressure of the atmosphere, is equal to that of a column of water from 32 to 35 feet high, or on a medium 33 or 34 feet high* For, water and quicksilver are in... | |
 | Miles Bland - 1824 - 380 pages
...upper surface raised till the pressures become equal. Thus when water is projected into a vacuum, as the pressure of the atmosphere is equal to that of a column of water, whose altitude is 34 feet, v = \/%g . (h + 34). And in general, if h' be the height of the column... | |
 | William Hallows Miller - 1831 - 130 pages
...the atmospheric pressure. 100° of the centigrade thermometer denotes the temperature of steam, when the pressure of the atmosphere is equal to that of a column of mercury at 0°, 0,76 metres, or 29,9218 inches high. A variation of 1,045 inches in the height of the mercury... | |
 | Achille Richard - 1831 - 720 pages
...inches and a half above its level, in a few hours. Now, the weight of a column of air of the height of the atmosphere is equal to that of a column of mercury twenty-eight inches high, or of a column of water of the height of about thirty-three feet. In this... | |
 | Achille Richard - 1831 - 604 pages
...inches and a half above its level, in a few hours. Now, the weight of a column of air of the height of the atmosphere is equal to that of a column of mercury twenty-eight inches high, or of a column of water of the height of about thirty-three feet. In this... | |
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