Philosophical instructor, or, Webster's elements of natural philosophy : subdivided into principles and illustrations ; intended for academies, medical schools, and the popular class-room (1824)
Eaton, Amos, 1776-1842, Webster, John, fl. 1804-1824 · Albany : Printed by Websters and Skinners ... · leaf 33
parts of time throughwhich a body is accelerated in fall- a ing ; then the velocity acquired inpassing through each space by thecontinual impulse of gravity, is rela-tively as the lengths of the parallelsa 1, b 2, c 3, &c, throughout thewhole figure ; that is, the velocityincreases as the lines… … * That is, the whole space descended through, will be proportional toHie square of the time of descent. Patterson, ATTRACTION OF GRAVITATION. 31 the similar triangles taken together, which are con-tained in a 5 e, will amount to 25, which is equal tothe square of the time a 5 ; and so on of any…
Physics
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