How far away is the mesa?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter17: Sound
Section: Chapter Questions
Problem 33P: A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels...
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QUESTION 6
Lawrence of Arabia begins to sing while traveling through the desert by camel. As the result of a distant mesa
reflecting sound, he hears the echo of his voice 4.0 s later. How far away is the mesa? (Assume that the speed of
sound in air in the desert where he is located is 355 m/s.)
a. 900 m
b. 355 m
O c. 500 m
d. 710 m
e. 400 m
Transcribed Image Text:QUESTION 6 Lawrence of Arabia begins to sing while traveling through the desert by camel. As the result of a distant mesa reflecting sound, he hears the echo of his voice 4.0 s later. How far away is the mesa? (Assume that the speed of sound in air in the desert where he is located is 355 m/s.) a. 900 m b. 355 m O c. 500 m d. 710 m e. 400 m
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