How many meters will the car have moved?

Question

A car is moving down a street at 55 k/h. A child suddenly runs into the street. If it takes the driver .75 s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?

Answer 1

55 k/h = 15.3 m/s

d = vt

d = 15.3 m/s * .75 s

d = 11.475 m