URGENT HELP ME PLEASE!!!!!!!!?

At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.3 m/s^2. At the same instant a truck is 11.5 m down the road and traveling with a constant speed of 9.3 m/s. (a) How far beyond the traffic signal will the automobile overtake the truck? (b) How fast will the automobile be traveling at that instant?