v=s/t t=s/vt=12km/60km/h = 2/10 = 1/5 h1/5*60min=12 min
s=12km
v=60km/h
t=?
V=s/t
t=s/v
t=12:60
t=0,2h
odp. pociąg bedzie jechał 12min
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v=s/t
t=s/v
t=12km/60km/h = 2/10 = 1/5 h
1/5*60min=12 min
s=12km
v=60km/h
t=?
V=s/t
t=s/v
t=12:60
t=0,2h
odp. pociąg bedzie jechał 12min