Problem #3 (42 points) Show your work! Mary is at a gathering where there is a clarinet player in the background. The clarinets is a pipe open on one end, and has a length L = 35 cm. The clarinet emits sound waves with the oscillation pattern shown in the figure. The speed of sound in air is v₁ = 343 m/s, and the density of air is p= 1.293 kg/m³. L (a) (5 pts) What is the frequency of this pattern in Hertz? What is the angular frequency? (b) (5 pts) When Mary is at a distance of r = 3 m, as shown in the figure, the sound level she hears is 67 dB, what is the intensity of the sound at that distance? (c) (5 pts) What is the displacement amplitude of the wave at 5 m, where Mary is standing in part (b)? (d) (3 pts) What is the pressure amplitude of the wave at 5 m?
Problem #3 (42 points) Show your work! Mary is at a gathering where there is a clarinet player in the background. The clarinets is a pipe open on one end, and has a length L = 35 cm. The clarinet emits sound waves with the oscillation pattern shown in the figure. The speed of sound in air is v₁ = 343 m/s, and the density of air is p= 1.293 kg/m³. L (a) (5 pts) What is the frequency of this pattern in Hertz? What is the angular frequency? (b) (5 pts) When Mary is at a distance of r = 3 m, as shown in the figure, the sound level she hears is 67 dB, what is the intensity of the sound at that distance? (c) (5 pts) What is the displacement amplitude of the wave at 5 m, where Mary is standing in part (b)? (d) (3 pts) What is the pressure amplitude of the wave at 5 m?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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