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M3P2
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556ffa7b
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556ffa7b
authored
Apr 22, 2023
by
Claude Meny
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Update annex.fr.md
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12.temporary_ins/69.waves/30.n3/30.beyond/annex.fr.md
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556ffa7b
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@@ -71,7 +71,7 @@ $`\newcommand{\ddpt}[1]{\overset{\large\bullet\bullet}{#1}}`$
!
</summary>
!
*
Les ondes sonores humainement audibles couvrent le domaine de fréquence $
`\nu\in[20 Hz - 20000 Hz]`
$. La vitesse du son dans
! l'air au niveau du sol étant d'environ $
`\mathscr{v}=340 m/s`
$, les longueurs d'ondes sonores couvrent le domaine
!
`\lambda=\dfrac{\nu}{\mathscr{v}} \in [17 cm - 17 m]`
$.
!
$
`\lambda=\dfrac{\nu}{\mathscr{v}} \in [17 cm - 17 m]`
$.
!
*
Ce domaine de longueur d'onde recouvre le domaine de taille caractéristique de pièces d'une maison,
! salles de spectacles ou locaux industriels, de leurs ouvertures (portes et fenêtres), et des objets
! qu'ils contiennent (meubles, sièges et machines). Les phénomènes ondulatoires
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