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 247
urvesof sines, and that the velocity graph is a curve of cosines. Further,since a is proportional to t, it follows that these diagrams are alsodisplacement, velocity and acceleration graphs on time bases ; thebase line O to 2tt represents the time of one revolution of P (Fig.251), or the time of… … •(7) .(7) FIG. 252.—Graphs for simple harmonic motion. The frequency of the vibration is the number of vibrations persecond, and is obtained by taking the reciprocal of T : thus Frequency = n=- vibrations per sec. .(8) Example. A point describes simple harmonic vibrations in a line4 cm. long. Its…
Physics
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