Sound: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound : for the Use of Students of Every AgeAppleton, 1878 - 181 páginas |
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Página 30
... Take out the elastic and lay it aside , as we shall need it in another experiment . Get a piece of fine brass wire , about 2 feet ( 61 centimetres ) long , and fasten it to the ball . The weight of the ball should pull the wire straight ...
... Take out the elastic and lay it aside , as we shall need it in another experiment . Get a piece of fine brass wire , about 2 feet ( 61 centimetres ) long , and fasten it to the ball . The weight of the ball should pull the wire straight ...
Página 31
... Take off the wire and the paper and put the elastic on the ball . Hold the end of the elastic in one hand , and with the other pull the ball gently downward , then let it go . It vibrates up and down in the direction of the length of ...
... Take off the wire and the paper and put the elastic on the ball . Hold the end of the elastic in one hand , and with the other pull the ball gently downward , then let it go . It vibrates up and down in the direction of the length of ...
Página 32
... take the ball and wire to the farther end of the room , and by a slight circular mo- tion of the end of the wire cause the ball to revolve in a circle . Soon the ball acquires a uniform speed around the circle , and then it forms what ...
... take the ball and wire to the farther end of the room , and by a slight circular mo- tion of the end of the wire cause the ball to revolve in a circle . Soon the ball acquires a uniform speed around the circle , and then it forms what ...
Página 33
... takes to go from 13 , round the whole circle , to 13 again . That is , the ball appears to vibrate from A to B in the time of one second , in which time it really has gone just half round the circle . A comparison of the unequal lengths ...
... takes to go from 13 , round the whole circle , to 13 again . That is , the ball appears to vibrate from A to B in the time of one second , in which time it really has gone just half round the circle . A comparison of the unequal lengths ...
Página 35
... Take three more pieces of this cord , each 10 inches ( 25.4 centimetres ) long , and draw one through each of the holes in the lead bob and knot it there , and then draw them to- gether and knot them evenly together above the bob , as ...
... Take three more pieces of this cord , each 10 inches ( 25.4 centimetres ) long , and draw one through each of the holes in the lead bob and knot it there , and then draw them to- gether and knot them evenly together above the bob , as ...
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Términos y frases comunes
A-fork ball beats block blow bottle brate cardboard cause centi centimetres centre CHAPTER circle CO-VIBRATION compound sound cone cork curve diameter disk divide dots double pendulum draw drum-skin edge EXPERIMENT fastened feet figure flame funnel gamut give glass tube harmonic harmonic series heliostat holes horizontal inches length loudest ment metres millimetres mirror monic motion mouth move musical musical scale nodal line number of vibrations octave paper periments piece pipe piston pitch plate prongs pull rarefactions reflected relative numbers resonant tube resound rest rotator rubber tube sand screen screw sensation shown in Fig side silica simple sounds sings siren slide slit sonometer sonorous vibrations sonorous waves sound of 66 square string swing tions trace trumpet tumbler tune tuning-fork turn upright velocity of sound vibrate the fork vibrating body vibrating fork vibrations per second whistle wire wooden
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Página 181 - SOUND : a Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound, for the use of Students of every age.