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Micha91
@Micha91
June 2021
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Un train part de paris a 21h10 et arrive bordeau a 1h35. Sachant que la distance Paris Bordeaux est de 588km ; quelle est la vitesse moyenne du train
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winner123
Verified answer
Temps = 4 h 25 minutes ou 4,4
588/4.4 = 133.6 km/h
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cocorricco
21h10->1h35: 4h25 de trajet
v=d/t
sachant que d=588 et t=4h25= 4*5/12
donc v=588/(4*(5/12))=352,8 km/h
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Un robinet a un debit de 60L/min . Pour remplir un bassin , on ouvre le robinet de 9H35 a 12h55. Quelle est la contenance du bassin ?
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Micha91
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Convertir 6h 27min 33s en s
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Lista de comentários
Verified answer
Temps = 4 h 25 minutes ou 4,4588/4.4 = 133.6 km/h
v=d/t
sachant que d=588 et t=4h25= 4*5/12
donc v=588/(4*(5/12))=352,8 km/h