10 secondes = 100 m
1 seconde = 100m/10= 10 m
Il court à 10m/s.
10 secondes= 100m
1h = 60 minutes 60 minutes= 60 secondes
1h = 60x60=3600 secondes
10 secondes = 100m
3600 secondes = 360x 10 secondes
100x 360 m = 36 000m
36 000m= 36 km
Il court à 36 km/h.
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10 secondes = 100 m
1 seconde = 100m/10= 10 m
Il court à 10m/s.
10 secondes= 100m
1h = 60 minutes 60 minutes= 60 secondes
1h = 60x60=3600 secondes
10 secondes = 100m
3600 secondes = 360x 10 secondes
100x 360 m = 36 000m
36 000m= 36 km
Il court à 36 km/h.