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 58
city has changed sign. When n passes under-neath 0 the acceleration and the displacement change sign; andso on indefinitely. (Tension in cord at i> = ?) 47. The Ballistic Pendulum.—This old-fashioned apparatus fordetermining the velocity of a cannon-ball consisted of a heavybody B, of mass M^,… … the ball is shot horizontally into the cavity, in ^-i |^^ ^^which it adheres. As a result of the impact cif^Oi ~the centre of gravity of the combined massesreceives a velocity (7, with which it begins itsascent along the circular arc JBm, finally reaching a verticalheight ^ above its initial…