The instant a traffic light turns green a car that has been waiting at the light starts forward with a constant acceleration of 10 ft/s^2. At the same instant a truck traveling at a constant 30 ft/s overtakes and passes the car.

Question

The instant a traffic light turns green a car that has been waiting at the light starts forward with a constant acceleration of 10 ft/s^2. At the same instant a truck traveling at a constant 30 ft/s overtakes and passes the car. 
1. how far beyond the starting point will the car overtake the truck.
2. how fast willl the car be traveling

bobpursley · Answer

The distance both travel is the same dcar= 1/2 a t^2 dtruck=10 t set those equal, and solve for t. then, knowing t, you can find the velocity of the car (a t) and how far it went (1/2 a t^2)

anne · Answer

pls ans. dis tnx i need help:((