 | John Playfair - Astronomy - 1812 - 344 pages
...hydrometer, aerometer, &c. are constructed. See Description vf a Hydrometer, CAVALI.O, vol. n. p. 66. 251. If the specific gravity of air be called m, that of water being 1, if W be the weight of any body in air, and W its weight in water, then Wf-7K (W — W'j is its weight... | |
 | John Martin Frederick Wright - Mathematics - 1825 - 798 pages
...vertex. The weight of the cone beiug given, how far may it be filled so as not to run out below ? 3. What must be the magnitude and point of application...specific gravity of air be called m, that of water being I , and if W be the weight of any body in air, and W its weight in water, its weight in vacuo will... | |
 | John Martin F. Wright - 1827 - 632 pages
...vertex. The weight of the cone being given, how far may it be filled so as not to run out below ? 3. What must be the magnitude and point of application...a sluice-gate in the shape of an inverted parabola ? •i. Find the specific gravity of a body which is lighter than the fluid in which it is weighed.... | |
 | William Galbraith - Astronomy - 1827 - 412 pages
...that of dry air Ht 32° F. being unity. It is shown in Playfair's Outlines, vol. I., art. 256, that if the specific gravity of air' be called m, that of water being 1; if W be the weight of any body in air, and W its weight in water, then W + »t (W — W') is its weight... | |
 | William Galbraith - Astronomy - 1834 - 454 pages
...that of dry air at 32° F. being unity. It is shown in Playfair's Outlines, vol. I., art. 256, that if the specific gravity of air be called m, that of water being 1 ; if W be the weight of any body in air, and W its weight in water, then W+wz (W — W) is its weight... | |
 | John Carr - Physics - 1843 - 408 pages
...the weight lost by Q ; and Л its specisc gravity may be fonnd by the last case. 2. If the specisc gravity of air be called m, that of water being 1, and W the weight of any body in air, and W' its weight in water ; then its weight in racno is nearly W... | |
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What must be the magnitude and point of application of a single force that will support a sluice-gate in the shape of an inverted parabola ? 4. Find the specific gravity of a body which is lighter than the fluid in which it is weighed. 5. If the specific... 