I forgot to mention that I attempted the deceleration over time 20 * 20 + 0.5 * -5m/s^2 * 20 this rendered a better result that looks like it could be correct. I am on the correct track here?
Homework Statement :[/B]
A person drives a car for 20 seconds in a straight line with an initial velocity of 20m/s. During the entire course of the journey they applied breaks causing the car to decelerate at 5m/s2. How far will it be from the starting point after the given time?
Homework...