Bonjour
Exercice 4
a) t=d/v
t=480/120
t=4h
b)t=720/60
t=12h
c)t=70/40
t=1h45
d)t=100/12
t=8.33s
e)t=5000/340
t=14.70s
Exercice 5:
a)t=5/10
t=30min
b)t=20/5
c)t=1000/12
t=83.33s
d)t=0.1/40
t=0.0025h
e)t=10000/340
t=29.41s
