The highway patrol sometimes uses radar guns to identify possible speeders and a
ID: 2124968 • Letter: T
Question
The highway patrol sometimes uses radar guns to identify possible speeders and at other times uses associates in airplanes who note the time taken for a car to pass between two marks some distance apart on the highway. What do each of these methods measure, average speed or instantaneous speed?
This is the answer--> Only the radar gun measures instantaneous speed.
Can you help me with the question below:
Can you think of situations in which either one of these methods might unfairly penalize a driver? Explain.
Explanation / Answer
If one car is passing and his/her instantaneous speed is increased at the point of being measured then it could give him/her a chance at getting a ticket even if he/she was speeding for only a second before resuming average speed.
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