bonjour
d= 0.008 x v²
à 40 km / h, d = 0.008 x 40² = 12.8 m
10 km / h , d = 0.008 x 10 ² = 0.8 m
20 km/h , d = 0.008 x 20 ² = 3.2 m
30 km /h d = 0.008 x 30 ² = 7.2 m
50 km / h , d = 0.008 x 50² = 20 m
25 km / h = 0.008 x 25 ² = 5 m
15 = 0.008 x v²
v² = 1875
v = √1 875 = environ 43 km / h
