d--> cm car on te donne D en cm².s-¹
Pr un gaz, d de 1cm :
1²/(2*10-¹) = 1/0.2=5 sec
Pour un liquide, d de 1cm
1²/(2*10^-5)=0.5*10^5 = 50 000s (/3600≈13h≈1/2 journée)
Et ainsi de suite, tu veux que je détaille la suite ou c'est bon ?
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