Car A is traveling at a location where the speed limit is 100 km/h. The police officer in car P observes this speed via radar. The driver of car A is traveling at vA = 122 km/h as it passes P, but over the next 4.7 seconds, the car uniformly decelerates to the speed limit of 100 km/h, and after that the speed limit is maintained. At the moment when A passes P, the police car begins to accelerate at the constant rate of 4.9 m/s? until a speed of 165 km/h is achieved, and that speed is then maintained. Determine the distance s required for the police officer to overtake car A. UA

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Car A is traveling at a location where the speed limit is 100 km/h. The police officer in car Pobserves this speed via radar. The driver of
car A is traveling at va = 122 km/h as it passes P, but over the next 4.7 seconds, the car uniformly decelerates to the speed limit of 100
km/h, and after that the speed limit is maintained. At the moment when A passes P, the police car begins to accelerate at the constant
rate of 4.9 m/s? until a speed of 165 km/h is achieved, and that speed is then maintained. Determine the distance s required for the
police officer to overtake car A.
UA
Answer: s =
m
Transcribed Image Text:Car A is traveling at a location where the speed limit is 100 km/h. The police officer in car Pobserves this speed via radar. The driver of car A is traveling at va = 122 km/h as it passes P, but over the next 4.7 seconds, the car uniformly decelerates to the speed limit of 100 km/h, and after that the speed limit is maintained. At the moment when A passes P, the police car begins to accelerate at the constant rate of 4.9 m/s? until a speed of 165 km/h is achieved, and that speed is then maintained. Determine the distance s required for the police officer to overtake car A. UA Answer: s = m
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