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t1=3h
t2=2h42min=2,7h
V2=?
Pokonana droga jest taka sama:
S=V1*t1
S=V2*t2
V1*t1=V2*t2
V2=(V1*t1)/t2 [km/h]
V2=(54*3)/2,7
V2=60km/h
s=v*t
s=162km
2h 42 min = 2,7h
v=162/2,7
v=60km/h
proszę o naj :*