Wojtek:
6000m - 60 min
x - 5 min
60x = 30000 |:60
x=500m
Ryszard:
1200m - 12 min
12x=6000 |:12
predkosc wojtka:
6km/h= 6*1000/3600=5/30 [m/s]
odleglosc po 5 minutach:
t=5min=5*60s=300s
s=v*t=5/3*300=500m
predkosc ryszarda:
s=1200m
t=12*60=720s
v=s/t=5/3 m/s
s=500m
obaj przejda te sama droge
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Wojtek:
6000m - 60 min
x - 5 min
60x = 30000 |:60
x=500m
Ryszard:
1200m - 12 min
x - 5 min
12x=6000 |:12
x=500m
predkosc wojtka:
6km/h= 6*1000/3600=5/30 [m/s]
odleglosc po 5 minutach:
t=5min=5*60s=300s
s=v*t=5/3*300=500m
predkosc ryszarda:
s=1200m
t=12*60=720s
v=s/t=5/3 m/s
s=500m
obaj przejda te sama droge