Question

the brakes are applied to a car produce an acceleration of 6/s² in the opposite direction to the motion if the car takes 2sec to stop after the application of brakes ,calculate the distance it travels during this time?

Answer 1

a=v-u/t
u=12
s=ut+1/2at²
s=12*2+1/2*6*2²
s=24+12
s=36m