Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
at sucli a height that a ball fall-ing vertically from its mouth would be just three seconds in reaching MOTION AND FORGE. 57 the grouiul, by the action of gravity, and the range of the gun to beexactly horizontal. Suppose a ball to be projected from the gun, and to reach N in onesecond, then the… … ball to pass from N to T, then the horizontal line T2 will intersect thevertical line at the point to where the unshot ball would fall at theclose of the second second. During the third second, suppose the pro-jected ball to pass from T to F, then draw the horizontal line F3(which coincides with…
Physics · Astronomy
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
