can a trooper using a radar detector at the side of the road determine the speed of a car at the instant the car passes the trooper?

please help me with the answer with quite a bit of details this question is due tomorrow and the answer has to be a paragraph long!! ohhh myyy i need help!!

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As I was getting on the highway I started getting Ka band alerts on the Escort 9500i the MSP officer was using I/O (instant on) radar but he seemed really trigger happy. He was in a really good spot he was hard to see until you where really close, they blend into the trees well. I was in the wife’s car so I didn’t have the camera mount so the video’s a little shaky.

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Just a example of the Escort 8500 x50 against Ka 33.8 Instant On.

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Valentine 1 got owned today by a county cop running instant on Ka band radar. He was pretty fast on the trigger that was a really short alert !!!!

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Escort Redline got owned on the toll road by the ISP running 33.8 Ka band. Luckily I had just encountered one running Constant On 33.5 Ka band just a few miles back and wasn’t back up to cruising speed yet.

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No. The radar only measures the speed of an object directly toward the radar gun. As it passes by, a car has zero velocity toward the radar gun. For reasonable accuracy, the radar gun must be some distance from a car approaching it.