A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 62
ad Art,68, b, p. 68). For if one side of the parallelogram repre-sents, in direction and amount, the uniform motion inthe given time, and the adjacent side the correspond-ing accelerated motion, the diagonally opposite point ofthe parallelogram will indicate the actual position of thebody at the… … Fig. 21. shown that, if the resistance of the air be neglected, thepath of a projectile is a parabola. Suppose a body start from A in the direction AD(Fig. 21) with an initial velocity u; at the end of tseconds, if no other motion were imparted to it, it wouldreach a point D, so that AD = ut. (1)…
Mechanics
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