Physics, 17.04.2020 01:27, magicalpenguin48
A police officer's radar gun emits radio waves at a frequency of 10.7 GHz10.7 GHz . What is the difference in the frequencies reflected back to the radar gun by a car traveling at the 75 mph75 mph speed limit and a car travelling 9 mph9 mph faster? Assume that the cars are both headed directly away from the stationary officer.
Answers: 3
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A police officer's radar gun emits radio waves at a frequency of 10.7 GHz10.7 GHz . What is the diff...
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