Question

Activity Speed Cameras: (20 minutes) Many locations around the world are now using traffic enforcement cameras which include cameras and vehicle-monitoring devices to detect and identify vehicles disobeying speed limits. Speed Cameras are used to identify vehicles traveling over the legal speed limit. Cameras are installed on bridges above traffic lanes; for example, in two different locations along the roadway. Each camera automatically captures an image of the vehicle and the computer identifies and recognizes the license plate of the passing vehicle. The pair of images taken of a single vehicle are matched by the license plate and the speed is calculated. The picture below is a sample pair of such images. The two cameras that took these images are located at a distance of 0.3 km apart on this particular roadway. The times printed in the upper left-hand corner of each image are difficult to read. They are: (1) 12.03.52 and (2) 12.04.01 Questions: How fast is the car pictured above traveling? Explain your reasoning: When is the car traveling at that speed? Is it fair to give the driver of this car a traffic ticket for speeding if the speed you calculated exceeds the speed limit? Why or why not?

          Activity Speed Cameras: (20 minutes) Many locations around the world are now using traffic enforcement cameras which include cameras and vehicle-monitoring devices to detect and identify vehicles disobeying speed limits. Speed Cameras are used to identify vehicles traveling over the legal speed limit. Cameras are installed on bridges above traffic lanes; for example, in two different locations along the roadway. Each camera automatically captures an image of the vehicle and the computer identifies and recognizes the license plate of the passing vehicle. The pair of images taken of a single vehicle are matched by the license plate and the speed is calculated. The picture below is a sample pair of such images. The two cameras that took these images are located at a distance of 0.3 km apart on this particular roadway. The times printed in the upper left-hand corner of each image are difficult to read. They are: (1) 12.03.52 and (2) 12.04.01

Questions: How fast is the car pictured above traveling? Explain your reasoning: When is the car traveling at that speed? Is it fair to give the driver of this car a traffic ticket for speeding if the speed you calculated exceeds the speed limit? Why or why not?

Added by James W.

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