Question

A car starts at rest. After 5 seconds the car is traveling at 40m/s. How far does the car travel in that time?

Answer 1

v initial = 0m/s

v final = 40m/s

t = 5s

d = ?

The kinematic equation which relates these quantities:

d = 1/2(vinitial + vfinal)t

d = 0.5(0+40)(5)

d = 100m