nafissou28 nafissou28
  • 13-05-2023
  • Mathematics
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Les pales d'une éolienne mesurent 40m de long. Chaque minute, l'hélice effectue 15 tours. Calculer la distance parcourue, en km, par l'extrémité d'une pale :
a. en une minute (donner unevaleur approchée au millième près) ;
b. en une heure (donner une valeur approchée à l'unité près).

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