Doppler Effect Submarine Problem

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A submarine emits a sonar wave at 1400 Hz while traveling at 8.00 m/s, and a second submarine approaches at 9.00 m/s. The observed frequency of the sonar wave by the second submarine is calculated to be around 1416 Hz, which is also the frequency it reflects back to the first submarine. The first submarine then detects this reflected frequency, leading to a calculated observed frequency of approximately 1423 Hz. Discrepancies in the calculations arise from the relative velocities used in the Doppler equations, emphasizing the importance of correctly establishing the reference frame. The discussion highlights the complexities of applying the Doppler effect in moving systems and the need for precise calculations.
  • #31
mjsd said:
But I firmly believe that I did no wrong when I got 1431 Hz for the answer although I didn't show my actually workings here.
Perhaps I've misinterpreted what you've been saying. Only one way to find out: Show your work and let's take a look. Up to you.
 

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