Odpowiedzi

2009-11-24T18:07:31+01:00
V¹=s/t₁
s=V¹*t₁

V¹=54km/h
t¹=3h
s=54km/h*3h
s=162km

t₂=2h 45min=2,75h

V₂=s/t₂
V₂=162km/2,75h
V₂=58,9km/h


;DD
2009-11-24T19:06:22+01:00
V¹=s/t₁
s=V¹*t₁
V¹=54km/h
t¹=3h
s=54km/h*3h
s=162km
t₂=2h 45min=2,75h
V₂=s/t₂
V₂=162km/2,75h
V₂=58,9km/h