While driving at a constant speed of 80 km/h, you are
Chapter 21, Problem 21.55(choose chapter or problem)
While driving at a constant speed of 80 km/h, you are passed by a car traveling at 120 km/h. If the frequency of light emitted by the taillights of the car that passes you is 4.3 1014 Hz, what frequency will you observe? What is the change in frequency?
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