Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 135
direction, it must describe, during the first three units, thecurved line ABCD. Since the time of ascent and descentare equal, it must reach its greatest vertical bight at the end ofthe third unit, when it begins its descent. The path of descentDEFG is found in a similar manner. The path thus… … DEFG represents also the path of a projectile thrown fromD, in the direction of the line I)G, with a horizontal velocitythat it would cause it to reach G at the end of the third unit oftime. An excellent verification of the second law of motion is foundin the fact that a ball, projected…
Physics
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