Vibratory Motion and SoundLongmans, Green, 1882 - 135 páginas |
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Página 1
... makes several thousand vibrations before coming to rest . Their amplitudes gradually decrease , and hence the sound B emitted becomes fainter ; but the periodic time remains sensibly CHAPTER SIMPLE HARMONIC VIBRATION.
... makes several thousand vibrations before coming to rest . Their amplitudes gradually decrease , and hence the sound B emitted becomes fainter ; but the periodic time remains sensibly CHAPTER SIMPLE HARMONIC VIBRATION.
Página 2
... hence the pitch does not sensibly alter . The pitch of a sound depends only on the periodic time of the vibrations which are its physical cause . Any two bodies , however different in character , if they vibrate with equal periodic ...
... hence the pitch does not sensibly alter . The pitch of a sound depends only on the periodic time of the vibrations which are its physical cause . Any two bodies , however different in character , if they vibrate with equal periodic ...
Página 4
... Hence the component force parallel to a A ' is proportional to x c . But the Y A B FIG . 1 . A component motion of P parallel to A A ' is the same as the whole motion of x . Hence the point x moves as if urged towards c by a force ...
... Hence the component force parallel to a A ' is proportional to x c . But the Y A B FIG . 1 . A component motion of P parallel to A A ' is the same as the whole motion of x . Hence the point x moves as if urged towards c by a force ...
Página 5
... perpendicular to the sides of the triangle C Y P , which may therefore be taken as the triangle of velocities . Hence CY represents the velocity of x . and , since P and x have identical motions in SIMPLE HARMONIC MOTION . 5.
... perpendicular to the sides of the triangle C Y P , which may therefore be taken as the triangle of velocities . Hence CY represents the velocity of x . and , since P and x have identical motions in SIMPLE HARMONIC MOTION . 5.
Página 6
... Hence we have the following proposition Two equal simple harmonic motions , at right angles to each other , differing in phase by a quarter of a period , compound into uniform circular motion . 2 " 9. If 0 denote the angle which cp has ...
... Hence we have the following proposition Two equal simple harmonic motions , at right angles to each other , differing in phase by a quarter of a period , compound into uniform circular motion . 2 " 9. If 0 denote the angle which cp has ...
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Términos y frases comunes
amplitude approximately axis boards Books Cabinet Edition called centre Chapter Church circle circular cloth component compound compression constant continued Crown 8vo curve denote described difference direction displacement distance double Edition elasticity ellipse energy English epoch equal equation Essays extension extreme figure fixed force fork given gives half Hence History horizontal Illustrations increase length Maps maximum mean middle moving nearly nodes obtained opposite directions original parallel particle pendulum period perpendicular phase pipe pitch places plane Plates position present produce projection propagation ratio reflected regarded represented resultant revolving right angles round S.H. motions Series shows sides simple harmonic motion sound square straight line string tion tone traced Translated travelling undulations uniform velocity vertical vibrations vols wave-length waves whole Woodcuts
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