Répondre :
80 km / H
80/60 / minute
80/3600 / s
(12 * 80) / 3600 = 960 / 3600 = 96 / 360 = 266 m
80/60 / minute
80/3600 / s
(12 * 80) / 3600 = 960 / 3600 = 96 / 360 = 266 m