S=v0t+a*t^2/2 v0=0 S=a*t^2/2
90=a36/2
90=18a
a=5 м/с*с
t=6/3=2c
S1=5*4/2=10
S2=5*16/2=40
S3=5*36/2=90
S=v0t+a*t^2/2 v0=0 S=a*t^2/2
90=a36/2
90=18a
a=5 м/с*с
t=6/3=2c
S1=5*4/2=10
S2=5*16/2=40
S3=5*36/2=90