Asked by Anonymous

Ann is driving down a street at 62 km/h. Suddenly a child runs into the street.
If it takes Ann 0.728 s to react and apply the brakes, how far will she have moved before she begins to slow down?
Answer in units of m.
Answered by Henry
Vi = 62,000m/3600s = 17.22 m/s.

d = Vi*t = 17.22m/s * 0.728s =