A police car’s radar gun emits microwaves with a frequency of f1 = 8.70 GHz. The beam reflects from a speeding car, which is moving toward the police car at 44.5 m/s with respect to the police car. The speeder’s radar detector detects the microwave at a frequency f2. Find the frequency difference (in kHz) f2 − f1.
A police car’s radar gun emits microwaves with a frequency of f1 = 8.70 GHz. The beam reflects from a speeding car, which is moving toward the police car at 44.5 m/s with respect to the police car. The speeder’s radar detector detects the microwave at a frequency f2. Find the frequency difference (in kHz) f2 − f1.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Relativity
Section: Chapter Questions
Problem 3OQ
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A police car’s radar gun emits microwaves with a frequency of f1 = 8.70 GHz. The beam reflects from a speeding car, which is moving toward the police car at 44.5 m/s with respect to the police car. The speeder’s radar detector detects the microwave at a frequency f2.
Find the frequency difference (in kHz) f2 − f1.
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