A police radar unit transmits microwaves of frequency 3 10 10 Hz. The speed of these
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A police radar unit transmits microwaves of frequency 3 × 1010 Hz. The speed of these waves in air is 3.0 × 108 m/s. Suppose a car is receding from the stationary police car at a speed of 140 km/h. What is the frequency difference between the transmitted signal and the signal received from the receding car?
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Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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