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UNDE MECANICE

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by

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)

UNDE MECANICE

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.
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