bonjour
550 s = 1 430 m
1 s = 2.6 m
vitesse = 2.6 m / s
= 0.0026 x 3 600 = 9.36 km /h
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bonjour
550 s = 1 430 m
1 s = 2.6 m
vitesse = 2.6 m / s
= 0.0026 x 3 600 = 9.36 km /h
pour les km/h, 1430m= 1,43km et 550s=0,153h
1,43/0,153 = environ 9,3 km/h