m = 2 kg
F = 20 N
t = 10 s
V0 = 0 (bo ciało na początku spoczywa)
s = ?
S = V0t + at^2 /2 ale v0 = 0
s = a t^2/2
a = F/m
s = F/m t^2/2
s = F t^2/2m
s = 20 N * (10s)^2/22 kg ; [N] = [ kgm/s^2]
s = 20 kg m/s^2 * 100 s^2 /22kg
s = 2000 kgm/4 kg
s = 500 m
znaczek^ = do potęgi