Droga [m] Czas [s] Prędkość [m/s] Prędkość [km/h]
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Mysz 2 0,4 5 18
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Zając 50 2,5 20 72
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Słoń 200 12 1,67 60
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s = v × t
t = s/v
v = s/t
1 m/s = 1/1000 km : 1/3600 h = 3,6 km/h
Mysz:
t = s/v = 2m/5s = 0,4 s
v = 5 m/s = 5 × 3,6 km/h = 18 km/h
Zając:
s = v × t = 20 m/s × 2,5 s = 50 m
v = 20 m/s = 20 × 3,6 km/h = 72 km/h
Słoń:
v = s/t = 200 m/12 s = 50/3 m/s = 1,67 m/s
v = 1,67 m/s = 50/3 × 3,6 km/h = 60 km/h
