Answer to Question #3851 in Acoustics for mia

Question #3851

A hiker shouts toward a vertical cliff 685 m away. The echo is heard 4.00 s later.
a. What is the speed of sound in air?
b. The wavelength of the sound is 0.750 m. What is its frequency?
c. What is the period of the wave?

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Akash

04.10.11, 19:12

The ans. is V=342.5m/s F=456.66Hz

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