4.Xo = 10 m
v = 2 m/s
to = 0 s
5.Xo = 3 m
v = 5 m/s
to = 2 s
6.Xo = 0 m
v=0 m/s
to = 1s
7.Xo = 10 m
v=-2 m/s
to = 0 s
8.Xo = 30 m
v=-5 m/s
to = 1 s​