UB = 35.0 m/s UA = 0 vL = 15.0 m/s CCCCCCC) %3D B
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![2. What is the frequency from B as heard by the listener?
3. What is the beat frequency detected by the listener?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8fe80176-5b32-4c53-99cb-fa2c19b8e36d%2Fbfbed86b-95ba-4d14-a571-186adec5007f%2F8hekdrf_processed.jpeg&w=3840&q=75)
![Two train whistles, A and B, each have a frequency of 392 Hz. A is stationary
and B is moving toward the right (away from A) at a speed of 35.0 m/s. A listener is
between the two whistles and is moving toward the right with a speed of 15.0m/s. (See
Figure given). No wind is blowing.
VA = 0
Ug = 35.0 m/s
UL = 15.0 m/s
A
B
1. What is the frequency from A as heard by the listener?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8fe80176-5b32-4c53-99cb-fa2c19b8e36d%2Fbfbed86b-95ba-4d14-a571-186adec5007f%2Fs93nge_processed.jpeg&w=3840&q=75)
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