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1) A foghorn that emits a frequency of 150 Hz is mounted on a buoy in...

1) A foghorn that emits a frequency of 150 Hz is mounted on a buoy in the bay. A ship approaches the buoy at 17.2 km/h . Part A:- What frequency does the captain of the ship hear? Express your answer with the appropriate units. Part B:- Hearing the foghorn is a signal for the captain to slow his ship. After passing the buoy, the captain hears the horn again, but the frequency he detects is now 149 Hz . What is the new speed of the ship? Express your answer with the appropriate units.

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Answer #1

= 150(1+(4.77/343)) = 152.08Hz

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