Question

Acar moving along a straight highway with speed of 126km/h is brought
to a stop within a distance of 200 m. What is the retardation of the car
(assumed uniform), and how long does it take for the car to stop?​

Answer 1

Answer:

The answer is - 3.16 m/s^2

and the time can be found by

v=u+at

0=320/9+3.16*t