Vibratory Motion and SoundLongmans, Green, 1882 - Broj stranica: 135 |
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Stranica 2
Joseph David Everett. emitted becomes fainter ; but the periodic time remains sensibly constant , and hence the pitch does not sensibly alter . The pitch of a sound depends only on the periodic time of the vibrations which are its ...
Joseph David Everett. emitted becomes fainter ; but the periodic time remains sensibly constant , and hence the pitch does not sensibly alter . The pitch of a sound depends only on the periodic time of the vibrations which are its ...
Stranica 4
... constant force directed towards the centre . B P Let p be the particle , and c the centre . Draw PX and P Y perpendiculars on two fixed diameters A A ' , B B ' . The force acting on P can be re- solved into two components , one parallel ...
... constant force directed towards the centre . B P Let p be the particle , and c the centre . Draw PX and P Y perpendiculars on two fixed diameters A A ' , B B ' . The force acting on P can be re- solved into two components , one parallel ...
Stranica 5
... constant , since , from our definition of simple harmonic motion , the force is proportional to x . Now it is proved , in treatises on dynamics , that the acceleration of è is 2 CP , ( T denoting the period ) , and is directed along PC ...
... constant , since , from our definition of simple harmonic motion , the force is proportional to x . Now it is proved , in treatises on dynamics , that the acceleration of è is 2 CP , ( T denoting the period ) , and is directed along PC ...
Stranica 11
... constant factor μ of § 7 has now the value , we have for the periodic time ( by equation 1 )し 2π T = = 2π 6 g ( 10 ) What is commonly called the time of vibration ' of a pendulum , is the time of swinging from one extreme posi- tion to ...
... constant factor μ of § 7 has now the value , we have for the periodic time ( by equation 1 )し 2π T = = 2π 6 g ( 10 ) What is commonly called the time of vibration ' of a pendulum , is the time of swinging from one extreme posi- tion to ...
Stranica 13
... constantly equal to the sum of 1 - x , and x - x , the motion of a relative to X1 - X2 c resolved in a direction normal to the plane is the sum of the motions of a relative to в and of B relative to C , similarly resolved . Hence ...
... constantly equal to the sum of 1 - x , and x - x , the motion of a relative to X1 - X2 c resolved in a direction normal to the plane is the sum of the motions of a relative to в and of B relative to C , similarly resolved . Hence ...
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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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