Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 251
draw the horizontal lines Mm and Nn, cut-ting this semi-circumference in the points m and n. Drawthe radius 0 m, and the vertical n q. From the propertyof the circle we have in E2 = BE x ED = BE x PM = BE x yt; 240 NATURAL PHILOSOPHY. whence vertical distancefrom last point; BE = E y, which,… … value of theelement of thetime ; f = I QN< M.D ±g m E2and, taking the square root, ~ 2V a M X QN g . M. D mEThe two triangles m 0Eand mqn are similar, and giveqn = QN : mE :: nm : Om; whence QN _ nm mE Om and this substituted above in .the value of t, gives t = \ V; I g .M.D X n mOm proportional…
Mechanics · Acoustics · Optics
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