Vibratory Motion and SoundLongmans, Green, 1882 - 135 páginas |
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Página ix
... mean position I of n points is of of resultant of their motions . 21. Motion of a η point which divides joining line in a fixed ratio . 22. The panta- graph can be used to give the resultant of two given motions on a scale of one - half ...
... mean position I of n points is of of resultant of their motions . 21. Motion of a η point which divides joining line in a fixed ratio . 22. The panta- graph can be used to give the resultant of two given motions on a scale of one - half ...
Página x
... Mean value of square of amplitude . 36. Beats . 37. Spring and neap tides . 38 . Composition of two S.H. motions at right angles to each other . 39. Effect of slight inequality of their periods . 40. Illustration from Blackburn's ...
... Mean value of square of amplitude . 36. Beats . 37. Spring and neap tides . 38 . Composition of two S.H. motions at right angles to each other . 39. Effect of slight inequality of their periods . 40. Illustration from Blackburn's ...
Página xii
... mean working force in small vibrations is half the maximum force . 122. Proof by integral calculus . 123. By graphical construction . 124. Energy of station- ary vibration of string . 125. Energy of stationary vibration of column of air ...
... mean working force in small vibrations is half the maximum force . 122. Proof by integral calculus . 123. By graphical construction . 124. Energy of station- ary vibration of string . 125. Energy of stationary vibration of column of air ...
Página 7
... mean position is pro- portional to the sine or cosine of an angle which varies as the time . 10. If is measured from any fixed radius c E ( Fig . 2 ) , we shall have x = a cos ( 0 - e ) , y = a sin ( 0 - e ) , where e denotes the angle ...
... mean position is pro- portional to the sine or cosine of an angle which varies as the time . 10. If is measured from any fixed radius c E ( Fig . 2 ) , we shall have x = a cos ( 0 - e ) , y = a sin ( 0 - e ) , where e denotes the angle ...
Página 14
... mean position , if magnified the resultant of the motions of the n points . times , is This pro- position reduces to that of § 18 when there are only two points . The motion of the centre of mean position may with propriety be called ...
... mean position , if magnified the resultant of the motions of the n points . times , is This pro- position reduces to that of § 18 when there are only two points . The motion of the centre of mean position may with propriety be called ...
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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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