A police officer standing at the side of the road uses a radar emitting frequency of 24.15 GHz. A car is approaching the officer at a speed of 60mph. What will be the difference in frequency of the beam reflected by the car received back by the radar?

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Chapter1: Units, Trigonometry. And Vectors
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A police officer standing at the side of the road uses a radar emitting frequency of 24.15 GHz. A car is
approaching the officer at a speed of 60mph. What will be the difference in frequency of the beam
reflected by the car received back by the radar?
Select one:
a. 2.2 kHz (higher frequency)
o b. 2.2 kHz (lower frequency)
c. 4.8 kHz (higher frequency)
o d. 4.8 kHz (lower frequency)
Transcribed Image Text:A police officer standing at the side of the road uses a radar emitting frequency of 24.15 GHz. A car is approaching the officer at a speed of 60mph. What will be the difference in frequency of the beam reflected by the car received back by the radar? Select one: a. 2.2 kHz (higher frequency) o b. 2.2 kHz (lower frequency) c. 4.8 kHz (higher frequency) o d. 4.8 kHz (lower frequency)
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