t = 3s
V0 = 0
V= 3 m/s
s5 =?
S6=?
V = V0 +a* t ale V0 = 0
V = a *t
a = V/t
a = 3 m/s /3s = 1 m/s^2
obliczam drogę w 5 sekundzie
s5 = 1/2 *a *(t5^2 - t4^2)
s5 = 1/2 *1 m/s^2 * (5^2 - 4^2)
s5 = 1/2 m/s^2 *(25 - 16)
s5 = 1/2 m/s^2 * 9s^2 = 4,5 m
obliczam drogę w 6 sekundzie:
s6 = 1/2 * 1 m/s^2 * (6^2 - 5^2 )
s6 = 1/2 m/s^2 *(36 - 25 )
s6 = 1/2 m/s^2 * 11 s^2 = 5,5 m