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2009-10-19T14:55:37+02:00
V=40km/h
S=800m=0,8km
t=?

V=S/t /*t
Vt=S /:V
t=S/V

t=0,8km:40km/h=0,02h
2009-10-19T14:55:56+02:00
V=40km/h
s=800m=0,8km

V=s/t => t= s/V [km÷ km/h=h]
t= 0,8÷40 = 0,02h
2009-10-19T16:07:14+02:00
V = 40km/h
S = 800m = 0,8km
t = ?
t = S/V
t = 0,8km : 40km/h = 0,02h