Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 123
of the vertical hight,or, in other words, to the sagittaof the arc traversed. But thesagittas are proportional to thesquares of the distances of the ex-tremities of the arcs from thevertical through the center of thecircle. Hence, within the limitsof the apparatus, the velocity of a ball in passing… … Fig. 71. BALLISTIC PENDULUM. 113 82. Ballistic Pendulum. — The velocity of a projectilemay be determined by means of a sus- cpended block of wood, into which theshot is fired. Let AB (Fig. 72) represent a blocksuspended from (7, and call its mass M.Let the mass of the shot be m, then asthis system…
Physics
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