Two train whistles, A and B, each have a frequency of 408 Hz. A is stationary and B is moving toward the right (away from A) at a speed of 45 m/s. A listener is between the two whistles and is moving toward the right with a speed of 22 m/s. No wind is blowing. What is the frequency from B as heard by the listener? The velocity of sound in air is 350 m/s.
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Two train whistles, A and B, each have a frequency of 408 Hz. A is stationary and B is moving toward the right (away from A) at a speed of 45 m/s. A listener is between the two whistles and is moving toward the right with a speed of 22 m/s. No wind is blowing. What is the frequency from B as heard by the listener? The velocity of sound in air is 350 m/s.
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