The ring positions in the image mark multiple resonant positions in the speed of sound experiment conducted in our class Mini. Speaker Pt.1 Pt.2 Pt.3 Pt.4 Pt.5 Below is the Ln vs. n graph generated by students. Assuming f = 1000 Hz, what is the speed of sound in air? Notice: Ln in the line plot is in centimeters, not in meters. Ln (cm) Ln vs. n 80 70 60 y 8.6625x-4.2425 SQ 40 30 20 10 D 2 4 6 • 10

The ring positions in the image mark multiple resonant positions in the speed of sound experiment conducted in our class Mini. Speaker Pt.1 Pt.2 Pt.3 Pt.4 Pt.5 Below is the Ln vs. n graph generated by students. Assuming f = 1000 Hz, what is the speed of sound in air? Notice: Ln in the line plot is in centimeters, not in meters. Ln (cm) Ln vs. n 80 70 60 y 8.6625x-4.2425 SQ 40 30 20 10 D 2 4 6 • 10

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Learning Goal: To learn the properties of logarithms and how to manipulate them when solving sound problems. The intensity of sound is the power of the sound waves divided by the area on which they are incident. Intensity is measured in watts per square meter, or W/m². The human ear can detect a remarkable range of sound intensities. The quietest sound that we can hear has an intensity of 10-12 W/m², and we begin to feel pain when the intensity reaches 1 W/m². Since the intensities that matter to people in everyday life cover a range of 12 orders of magnitude, intensities are usually converted to a logarithmic scale called the sound intensity level 3, which is measured in decibels (dB). For a given sound intensity I, B is found from the equation B = (10 dB) log Io where Io = 1.0 × 10-¹² W/m². The logarithm of x, written log(x), tells you the power to which you would raise 10 to get x. So, if y = log(x), then x = 10%. It is easy to take the logarithm of a number such as 10², because you…
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