일반물리학 1 — Motion Along a Straight Line: Problem 39

39 A car moving at a constant velocity of 46 m/s passes a traffic cop who is readily sitting on his motorcycle. After a reaction time of 1.0 s, the cop begins to chase the speeding car with a constant acceleration of 4.0 m/s². How much time does the cop then need to overtake the speeding car?