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At the instant, the traffic light turns ...

At the instant, the traffic light turns green, a car that has been waiting at an intersection starts ahead with a constant acceleration of `3.20 ms^(-2)`, At the some instant, a truck travelling with a constant speed of `20.0 ms^(-1)`, overtakes and passes the car.
a. At what distance from its starting point does the car overtake the truck?
b. Calculate the speed of the car when it overtakes the truck.
c. Sketch an `x-t` graph of themotion of both vehicles.
Take `x-0` at the intersection.
d. Sketch a `v_(x)-t` graph of the motion of both vehicles.

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