Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 30
have another velocity impressedupon it, the movement in the first direction takes place asif that in the second did not exist. An illustration of suchcombination of velocities may be found in Art. 474. The magnitude of the sum of two vectors may be calcu-lated as follows: From the point O (Fig. 10)… … 20 MECHANICS. (6) a) AC= AD2 + DC2, or (p + q cos (f>)2 + q2 sin2 </>= + q2 + 2jt?g cos (/>.
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