Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 15, Problem 29P
To determine
To Find:The velocity of the sound in the air using given data and the difference between the result and
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cicadas produce a buzzing aound that has a wavelength in te air of 2.69 m . If the spped of the sound in air is 346m/s , what is the frequency of teh sound produced by a cicada? what is its period?
The new student townhouses at a local college are in theform of a semicircle half-enclosing the track field. To estimatethe speed of sound in air, an ambitious physics student stood at thecenter of the semicircle and clapped his hands rhythmically at a frequencyat which he could not hear the echo of the clap, because theecho reached him at the same time as his next clap. This frequencywas about 2.5 claps/s. Once he established this frequency, he pacedoff the distance to the townhouses, which was 30 double strides.Assuming that the length of each stride is equal to half his height (5 ft11 in.), estimate the speed of sound in air using these data. How far offis your estimation from the commonly accepted value of 343 m/s?
The answer should be 21% and 0.270 km/s.
The time period of a sine wave is 1/50 sec .lts frequency is
O 50 Hz
O 40 Hz
О 20 Hz
O 30 Hz
Chapter 15 Solutions
Physics for Scientists and Engineers
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