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Solved: The sound source of a ship’s sonar system operates
Chapter 16, Problem 75P(choose chapter or problem)
Problem 75P
The sound source of a ship’s sonar system operates at a frequency of 18.0 kHz. The speed of sound in water (assumed to be at a uniform 20o C) is 1482 m/s. (a) What is the wavelength of the waves emitted by the source? (b) What is the difference in frequency between the directly radiated waves and the waves reflected from a whale traveling directly toward the ship at 4.95 m/s? The ship is at rest in the water.
Questions & Answers
QUESTION:
Problem 75P
The sound source of a ship’s sonar system operates at a frequency of 18.0 kHz. The speed of sound in water (assumed to be at a uniform 20o C) is 1482 m/s. (a) What is the wavelength of the waves emitted by the source? (b) What is the difference in frequency between the directly radiated waves and the waves reflected from a whale traveling directly toward the ship at 4.95 m/s? The ship is at rest in the water.
ANSWER:Solution 75P
(a).In problem first we have to calculate the frequency of wavelength,generally the wavelength can be calculated by velocity of source's sound divided by source's frequency.
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First we have to note down given that gives an idea how to solve and which formula we have to use
Given data:
The sound source of a ship’s sonar system operates at a frequency of 18.0 kHz.
The speed of sound in water is 1482 m/s.
Whale traveling directly toward the ship at