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Physics / Physics with MasteringPhysics 4 / Chapter 14 / Problem 43P

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

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You are heading toward an island in your speedboat when

Chapter 14, Problem 43P

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QUESTION:

Problem 43P

You are heading toward an island in your speedboat when you see a friend standing on shore at the base of a cliff. You sound the boat’s horn to get your friend’s attention. Let the wavelength of the sound produced by the horn be λ1, the wavelength as heard by your friend be λ2, and the wavelength of the echo as heard on the boat be λ3. Rank these wavelengths in order of increasing length. Indicate ties where appropriate.

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QUESTION:

Problem 43P

You are heading toward an island in your speedboat when you see a friend standing on shore at the base of a cliff. You sound the boat’s horn to get your friend’s attention. Let the wavelength of the sound produced by the horn be λ1, the wavelength as heard by your friend be λ2, and the wavelength of the echo as heard on the boat be λ3. Rank these wavelengths in order of increasing length. Indicate ties where appropriate.

ANSWER:

Step 1 of 5

The frequency heard by the observer is given by,

\(v\) is the speed of the sound, is the speed of the observer and is the speed of the source.

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