College Physics
11th Edition
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Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A police officer's radar gun emits radio waves at a frequency of 10.5 GHz. What is the difference in the frequencies reflected back to the radar gun by a car traveling at the 45 mph speed limit and a car travelling 5 mph faster? Assume that the cars are both headed directly away from the stationary officer.
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