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Lilixon
@Lilixon
April 2019
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Aidez moi svp je ne comprends pas :'(
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winner123
Verified answer
Bonsoir
Un peu flou, c'est vrai donc vérifies que j'ai bien repris les bons chiffres
Exercice I
Lisa
vitesse = distance/temps
vitesse = ( 8 x 60) /12 = 40 km/h
aymeric
( 8 x 60) / 48 = 10 minutes
Exercice II
1.5 L en 12 s = 0, 125 L/s
0,125 x 3600 = 450 L/h = 0.45 m3/h
exercice III
1) 100 x 24 = 2400 W
2400 x 3.6 = 8 640 kJ
pour l'aquarium, je ne distingue pas les chiffres
1 votes
Thanks 1
Lilixon
Merci Nullasse!!! <3 <3 <3
Lilixon
Pour l'aquarium, N°1: le rayon de la sphère est de 10 cm N°2: la distance entre la surface plane de l'eau et le centre O est de 4 cm.
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Aidez moi svp je ne comprends pas
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Aidez moi svp c'est pour demain je n'y arrive pas:
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Lista de comentários
Verified answer
BonsoirUn peu flou, c'est vrai donc vérifies que j'ai bien repris les bons chiffres
Exercice I
Lisa
vitesse = distance/temps
vitesse = ( 8 x 60) /12 = 40 km/h
aymeric
( 8 x 60) / 48 = 10 minutes
Exercice II
1.5 L en 12 s = 0, 125 L/s
0,125 x 3600 = 450 L/h = 0.45 m3/h
exercice III
1) 100 x 24 = 2400 W
2400 x 3.6 = 8 640 kJ
pour l'aquarium, je ne distingue pas les chiffres