Odpowiedź:
2 m/s
Wyjaśnienie:
v = s / t
dla każdego punktu mżemy obliczyś prędkość
np
t = 1 (s) s = 2 (m) v = s/t = 2m / 1 s = 2 m/s
t = 2 (s) s = 4 (m) v = s/t = 4m / 2s = 2 m/s
t = 3 (s) s = 6 (m) v = s/t = 6m / 3 s = 2 m/s
t = 4 (s) s = 8 (m) v = s/t = 8m / 4 s = 2 m/s