. Trucks and cars leave the start line with one stop point to an acceleration of 2 and 3 m / s2 respectively, find that the other six seconds later, the car is a few meters in front of the truck.
. Trucks and cars from the beginning line with the point of one stop to pick up and acceleration 2 3 M / S2 respectively, and find out more 6 seconds later. Car is in front of the truck a few metres .