Oblicz średnią prędkość pojazdu który przez 2 min - 180 km 5 min - 108 km 10 min- 144 km

2min=120s 180km= 180 000m v=s/t v=180 000m/120s=1500m/s 5min=300s 108km= 108 000m v=108 000m/300s=360m/s 10min=600s 144km= 144 000m v=144 000m/600s=240m/s

V1 = 180 km : 1/30 h = 180 km * 30 = 5 400 km/h V2= 108 km : 1/12 h = 108 km * 12 = 1296 km/h V3 = 144 km : 1/6 = 144 km * 6 = 864 km/h