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Sonic boom

Variazioni di Pressione:
'Sonic Boom'

 

Obiettivo:

Con questo esperimento ci si propone di osservare le variazioni di pressione all’interno di una siringa quando il pistone viene tirato fuori rapidamente e studiare le proprietā dell’impulso sonoro cosė ottenuto.

Christian Johann Doppler (1803 - 1863) was a Austrian physicist and mathematician who is most often remembered for his discovery of the Doppler effect, which is central to modern conceptions of sound and light. His earliest work concerned mathematics, but in 1842 Doppler completed and published the paper On the Colored Light of Double Stars and Certain Other Stars of the Heavens. Within the work, he proposed that observed frequency of light and sound waves is dependent upon how fast the source and observer are moving relative to each other, a phenomenon commonly referred to as the Doppler effect. He also correctly predicted that his theory would some day be utilized by astronomers to more accurately measure the movements and distances of stars. Most notably, the motions of stars detected through this manner led to the development of the big bang theory of the universe.

Materiali:

Sensore di pressione, CBL, TI83/84 ed una siringa (20 ml).


Acquisizione Dati  |  Dati Campione  |  Analisi Dati (TI83)  |  Analisi Dati (MSExcel)  |  Versione PDF   |  Valutazione  |  Indice Esperimenti  ]



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