Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 41
36 NATURAL PHILOSOPHY. Measure of thevelocity at anyinstant; its uniform motion, describe in a unit of time a spaceequal to mn, obtained by laying off from the Fig. 6. point e3, on e3b4 pro-duced, a distance eznequal to the unit oftime. But the spacedescribed in a unit oftime, at a constantrate, is… … From the figure we e4&4 : e3Z>4 mn e^n: or making e464 = 5, e364 t, mn = V, esn=l1 we have equal to the ratiooi the element ofthe space, to the element of thetime. whence as before. s : t ;: V : 1; V=s- Tangent line;will give thevelocity. If we suppose the element of time £314…
Mechanics · Acoustics · Optics
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