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v=50km/h
v=50 × 1000m / 60×60s
v=50000m/3600s
v=13,(8)m/s
v≈14m/s
s≈14m
t - 1s
V - 50km/h
Szukane: S?
S= t * v
50km/h = 50 * 1000/3600 = 50000/3600= około 13,8 m/s ≈14m/s
S= 1s * 14m/s = 14m
Odp. Samochód pokona 14 m drogi.