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T1 et T2


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Posted

Salut,

Tu utilises les formules Mz(longitudinale)=Mo(1-e-t/T1

Et Mx (transversale)=Mo ×e-t/T2

e-t/T2= 0,37

-t/T2=-1

T2=t=50ms

 

1-e-t/T1=0,095

e-t/T1=0,905

-t/T1=-0,1

T1=-t/0,1=-t×10=500ms

 

Mx=Mo×e-100/50= Mo×0,14

 

Si t=500ms alors -t/T1=-1 et e-1=0,37 donc non négligeable

 

Et donc a t=500ms -t/T2 =10

e-10 est tres petit et différent de 0,63=e-0,465

 

réponses BC vraies 😊

 

confirmes moi si c'est bien ça quand même 

et si c'est clair 😁

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