Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch, 1878- · New York, D. Van Nostrand Company · leaf 95
ual distances inequal intervals of time, but also change their directions ofmotion. Therefore we need a definition of velocity like thefollowing, which is perfectly general. The velocity of a particle at any /><>in( of its path equals,in magnitude, the time rod <il which it describes… … FlO. !7 In order to expiv» this definition of velocity in analyticallanguage, consider a particle describing a curved path witha changing speed. The most natural way of determiningthe s])<■<•< 1 at a point P, Fig. 47, is to observe the intervalof time which the particle takes to pass two…
Mechanics, Analytic
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