A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 250
ATIONS DIFFERING IN PHASE 225 Example.—Find the period of a simple pendulum of length 4 feet ata place when g is 32 feet per second per second. Find also the frequency. 7 >32 2-222 seconds. n = T 2-222 -zr-;^ =0-449 vibration per second. Vibrations differing in phase.—In Fig. 256 (a), two points… … Fig. 250.—Vibrations differing in phase. phase difference may be defined as the value of the constant angleP,OP2 = <£, and may be stated in degrees or radians. Thus a phasedifference of 90° or tt/2 radians would give vibrations, such that Mxwould be at the end A of the vibration, at the instant…
Physics
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