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Alexandra Vlad

on 26 November 2013

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Transcript of UNDE MECANICE

Detail 1
Unda mecanica reprezinta forma de propagare a perturbatiei im mediu.
Forma - unde plane
- unde sferice
Foarte important : Unda constituie transport de energie.Propagarea se face cu o anumita intarziere (nu se transmite instantaneu)


Fenomenul de propagare depinde de sursa prin FRECVENTA si de mediu prin VITEZA.
o viteza de propagare depinde de natura mediului
Mediu omogen si izotrop
Pentru mediu omogen unda se propaga cu viteza constanta.
In acest mediu unda se propaga identic dupa toate directile.
Full transcript