Car A is stopped at a red light . At the instant the light turns green, Car B comes speeding past in the adjacent lane with a constant speed pf 15m/s. Car A begins to accelerate at a rate of 2m/s^2. zhow long does it take for Car A to catch up with Car B?
b. How fast is Car Amoving when it catxhes up with Car B?
c. How far have the two cars travelled from the traffic light by the time Car A catches up with Car B?

Question

Car A is stopped at a red light . At the instant the light turns green, Car B comes speeding past in the adjacent lane with a constant speed pf 15m/s. Car A begins to accelerate at a rate of 2m/s^2. zhow long does it take for Car A to catch up with Car B?
b. How fast is Car Amoving when it catxhes up with Car B?
c. How far have the two cars travelled from the traffic light by the time Car A catches up with Car B?

anonymous · Answer

Let t be the time taken by car A to catch up to car B
When it has caught up the position of both the cars is the same.

anonymous · Answer

Find the position after time t separately for both the cars, they will be equal.
Thus find the time, and the rest