[EmadTtamer]

X1= V0Δtr

X2= V0t – 2at2

t= v0/ a

X2= V0 v0/ a – 2a(v0/ a)2

X2= V02/a – 2a V02 / a2

X2= - (V02 /2 a )

X= X1+ X2

X = V0Δtr - (V02 /2 a )