Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 71
first power of the total differential of the sum of anumber of functions, is always equal to the first powerof the sum of the partial differentials. We conclude, therefore, that the function which givesthe displacement may be broken up, so to speak, intoseveral partial functions equal in number to… … § 57. To illustrate :let the straight lineA B, be the locus of a illustration; series of molecules intheir positions of rest;the fine waved linea 5, that of the samemolecules at a particu-lar instant of time, when disturbed and thrown into awave by the action of some single cause ; and the waved…
Mechanics · Acoustics · Optics
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