s = μ·t + 1/2·a·t^2
μ = 25 m/s
a = 2.8 m/s^2
t = 4 s
s = 25·4 + 1/2·2.8·4^2-----> s = 122.4 m
Spazio percorso:
$S= v_0×t±\frac{a×t^2}{2}=25×4+\frac{2.8×4^2}{2}= 100+22,4 =122,4~m$.
S = (2Vo+a*t)*t/2 = (50+2,8*4)*4/2 = 122,4 m
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