Odpowiedź:
a = 6m/s²
v = 54km/h = 54km/1h = 54 000m/3600s = 15 m/s
-------------------------------------------------------------------------
s = ?
v = a*t /:a
t = v/a = 15m/s : 6m/s² = 2,5 s
t = 2,5 s
s = (at²)/2 = (6m/s² * (2,5s)²)/2 = (6*6,25)/2 = 37,5/2 = 18,75 m
Odp. s = 18,75 m
