Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 214
se, for instance, the ball, without gravity acting, would at the endof 3 seconds be at D, where we may suppose its course arrested andgravity then allowed to act for 3 seconds to pull the ball down from itsposition of rest at D ; at the end of this period, gravity alone acting, itsposition would be… … Fig. 80.—Trajectory of a Projectile. FIRE-ARMS. ns path A, />, C-, d. Supposing d to be the highest point of the trajectory,another 3 seconds would bring the ball along a downward curve, and atthe end of 6 seconds from the discharge it would be at a point on thesame level as A. Now the complete…
Inventions
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