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 sees and reacts very unwisely to the police car P. Car A is traveling at VA = 126 km/h as it passes P, but over the next 4.4 seconds, the car uniformly accelerates to 147 km/h, after which that speed is maintained. At the moment when A passes P, the police car begins to accelerate at the constant rate of 4.0 m/s² until a speed of 170 km/h is achieved, and that speed is then maintained. Determine the distance s required for the police officer to overtake car A. Answer: s= i VA (f P m
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 sees and reacts very unwisely to the police car P. Car A is traveling at VA = 126 km/h as it passes P, but over the next 4.4 seconds, the car uniformly accelerates to 147 km/h, after which that speed is maintained. At the moment when A passes P, the police car begins to accelerate at the constant rate of 4.0 m/s² until a speed of 170 km/h is achieved, and that speed is then maintained. Determine the distance s required for the police officer to overtake car A. Answer: s= i VA (f P m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text: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 sees and reacts very unwisely to the police car P. Car A is traveling at VA = 126 km/h as it passes P, but over the next 4.4 seconds,
the car uniformly accelerates to 147 km/h, after which that speed is maintained. At the moment when A passes P, the police car begins
to accelerate at the constant rate of 4.0 m/s² until a speed of 170 km/h is achieved, and that speed is then maintained. Determine the
distance s required for the police officer to overtake car A.
A
Answer: s= i
-VA
P
!
m
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