A stationary motion detector sends sound waves of frequency
A stationary motion detector sends sound waves of frequency0.135 MHz toward a truck approaching at a speed of 49.2 m/s. What is the frequency of the waves reflected back to the detector? (Takethe speed of sound to be 343 m/s.)
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a stationary motion detector sends sound waves of frequency0135 mhz toward a truck approaching at a speed of 492 ms
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