3. An ambulance is stationary emitting a frequency of 500 Hz. You approaching it and passing it (moving away from it). K
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3. An ambulance is stationary emitting a frequency of 500 Hz. You approaching it and passing it (moving away from it). K
3. An ambulance is stationary emitting a frequency of 500 Hz. You approaching it and passing it (moving away from it). Knowing that the change of frequency heard by you is 20Hz, calculate your speed.
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