 | Francis Bashforth - 1873 - 410 pages
...21) be the trajectory of a given shot, on the supposition that the resistance of the air varies as л the cube of the velocity. If now the given shot be...is inclined to the horizontal line PN at an angle ф, with the velocity v¿,, it will describe the path PAB, if Vф be determined from the equation As... | |
 | Joseph Sladen - 1879 - 192 pages
...spherical or elongated, sions." varies exactly as the square of the diameter of the projectile ; also that the resistance of the air varies as the cube of the velocity only for velocities between 1100 f,s. and 1350 /.«. * Vide Beport of the Committec of Reference (p.... | |
 | G. Mackinlay - 1887 - 364 pages
...different instruments."* This latter plan had previously been adopted. It is found as a first approximation that the resistance of the air varies as the cube of the velocity ; this is nearly true for a certain range of velocity (but not generally) ; the exact amount of the... | |
 | 1918 - 564 pages
...small angles of elevation are brought to light. To simplify the analytical processes Bashforth assumed that the resistance of the air varies as the cube of the velocity of the projectile. It is shown in the present paper that this relation is unsatisfactory because, in... | |
 | Arthur Sullivan Gale, Charles William Watkeys - 1920 - 457 pages
...Section 30. tions of mathematics. Thus for bodies moving with velocities near that of a rifle ball, the resistance of the air varies as the cube of the velocity. The intensity of light varies inversely as the square of the distance from the source of light, etc.... | |
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P,PAB (fig. 21) be the trajectory of a given shot, on the supposition that the resistance of the air varies as the cube of the velocity. 