Jasten
21.01.2021 •
Mathematics
Question 7
Un contrôleur aérien observe 2 avions. Il constate qu'au moment où l'avion A amorce sa
descente pour atterrir, l'avion B quitte le sol. Au moment où l'avion A amorce sa descente, il
vole à une altitude de 920 m. Après 20 secondes, l'avion
A est a 820 m et l'avion B est à 100 m.
Le schéma n'est pas à l'échelle.
À quel moment les deux avions se croiseront ils ?
L'altitude (m)
L'altitude des avions selon le temps
Avion B
820
Avion A
100
Temps(s)
20
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