You are driving through a town at 12m/s when suddenly a baby rolls out in front of you. You apply the brakes and begin decelerating at 3.5m/s^2. How far do you travel before stopping?

Answer 1

the stopping time (t) is ... 12 m/s / 3.5 m/s^2

d = 1/2 a t^2 + v t = -1.75 t^2 + 12 t