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Guillaume59250
@Guillaume59250
April 2019
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Deux footballeurs sont distant de 10m. Ils se passent le ballon qui mets 0,7 secondes pour passer d'un joueur a l'autre. Quelle est le vitesse du ballon en m/s ? en km/h ?
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ficanas06
Verified answer
Vitesse= distance / temps
V= 10 / 0.7 = 14.3 m/s au 1/10 près
1 h = 3600 s
14.3 * 3600 = 51480 m = 51,48 km
Donc vitesse: 51,48 km/h
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Verified answer
Vitesse= distance / tempsV= 10 / 0.7 = 14.3 m/s au 1/10 près
1 h = 3600 s
14.3 * 3600 = 51480 m = 51,48 km
Donc vitesse: 51,48 km/h