Ann is driving down a street at 55 km/h. Suddenly a child runs into the street. If it takes Ann 0.75 s to react and apply the brakes, how many meters will she have moved before she begins to slow down?

Answer 1

(55000 m / 3600 s) * .75 s

Answer 2

Vo = 55km/h = 55,000m/3600s = 15.3 m/s.
d = Vo*T = 15.3*0.75 =