Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 527
rom the compressural elasticityof the medium. Accordingly, all forms of matter are capableof transmitting waves of rarefaction and condensation, ofwhich sound-waves are the most important example. Since a clearer representation of a longitudinal wave maybe obtained by plotting either the… … Fig. 335. particles which at any instant are displaced to the positionsA, i\ /, h, according to the harmonic law. Take the originof coordinates at the point A, and suppose that time is reck-oned from the instant when h is passing its mean position.The displacement of this point at the time t may…
Physics
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