Odpowiedź :
s = v * t * - razy(mnożenie) / - ułamek
s - droga v - prędkość t - czas
v = 54km/h = 54km/h * 1000m/3600s = 15m/s
t = 20min = 20min * 60s = 1200s
s = v * t = 15m/s * 1200s = 18000m
s - droga v - prędkość t - czas
v = 54km/h = 54km/h * 1000m/3600s = 15m/s
t = 20min = 20min * 60s = 1200s
s = v * t = 15m/s * 1200s = 18000m