A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 155
avity as the unit of com-parison. This renders the expressions muchmore simple. In this way v expresses not thevelocity, but the height necessary for acquiringit, and the velocity iVself is expressed by ^ v.To reduce such an expression of a velocity tonumbers, multiply it by V 2g, or by 2 ^… … sider their motions when projected obliquely.The circumstance which renders this an interest-ing subject is, that the flight of cannon shot andshells are instances of such motion, and the artof gunnery must in a great measure depend onthis doctrine. Let a body Fig. i. B (fig. 1) be projectedin any…
Encyclopedias and dictionaries · Aeronautics
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