Sound waves - Example 1

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This note goes through a simple example of how to calculate the basic properties of a sound wave.
ed.wilson89
Note by ed.wilson89, updated more than 1 year ago More Less
leonie.examtime
Created by leonie.examtime over 11 years ago
ed.wilson89
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Page 1

Maria was watching the waves as they hit the boats in the bay. She noticed that they made a complete up and down vibration cycle in 8 seconds. The boats where 20 meters apart, and when one boat was at a high position, the other was at a low. Find the wavelength, the frequency and the speed of the waves

Solve the following problem

1. Frequency

f = nt18 = 0.125 Hz

2. Wavelength

λ2 = 20. λ = 40m

3. Speed

v =  fλ = (.125)(40) = 5m/s

Example 1

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