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Sagot :

LEAFE

Bonjour,

D = 1830 km = 1830 x 1000 = 1 830 000 m

v = 122 km/h = 122 / 3,6 = 33,8 m/s

t = d / v = (1 830 000) / 33,8 = 54 464 s

t = 54 464 / 3600 = 15,12 h

t = 0,12 x 60 = 7,2 minutes

t = 0,2 x 60 = 12 secondes

t = 15 heures 7 minutes et 12 secondes

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