Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1903)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & sons; [etc., etc.] · leaf 81
; i.e., fig. 85. 2x^^ cos ^ - 6^, = 0 (3) By elimination, noting that c = 27rru, c^ (6^,+ Qtan^^ _r^ _ ^g_ G,-^G, gr~ G, tan « - ^^ 47rV * G, We note, therefore, that the required distance AC \^ inde-pendent of the length I and is inversely jprojportional to the squareof the number of revolutions… … AB, - 2AC\ = ^ ^ ^3^ ^ ^ • -^ = 1.018 ft.; or 12.22 in. 69. Example 17. Cannon-ball under Gravity and Air-resistance. —A round cannon-ball, weighing 24: lbs., is at a certain point of its path moving with a velocity of v = 800 ft. per second in a direction making an angle of 20° below the…
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