Imagine you are trying to catch a Howler monkey for research in the tropical forest. As Howler monkeys are famous for their loud howls, you are using the sound of their howls to locate their position. At a distance of 23.39 m from the monkey, the animal can make sound waves of intensity level 90.8 dB relative to a reference intensity of lo = 10-12 W/m2. %3D What is the sound intensity level of the howl at a distance of 81.7 m from the monkey? Assume spherical waves, and an attenuation coefficient in air of a = 0.110 %3D m-1. [Answer in dB. Tolerance: 3%.] Your Answer: Answer
Imagine you are trying to catch a Howler monkey for research in the tropical forest. As Howler monkeys are famous for their loud howls, you are using the sound of their howls to locate their position. At a distance of 23.39 m from the monkey, the animal can make sound waves of intensity level 90.8 dB relative to a reference intensity of lo = 10-12 W/m2. %3D What is the sound intensity level of the howl at a distance of 81.7 m from the monkey? Assume spherical waves, and an attenuation coefficient in air of a = 0.110 %3D m-1. [Answer in dB. Tolerance: 3%.] Your Answer: Answer
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![Imagine you are trying to catch a Howler monkey for research in the tropical forest.
As Howler monkeys are famous for their loud howls, you are using the sound of their
howls to locate their position. At a distance of 23.39 m from the monkey, the animal
can make sound waves of intensity level 90.8 dB relative to a reference intensity of
lo = 10-12 W/m2.
What is the sound intensity level of the howl at a distance of 81.7 m from the
monkey? Assume spherical waves, and an attenuation coefficient in air of a = 0.110
m-1
(Answer in dB. Tolerance: 3%.]
Your Answer:
Answer
Question 9
V Saved
Consider two simple harmonic oscillations y1(t) = 9.55cos(wt) and y2(t) = 9.55cos(wt
+ b).
The phase angle o is allowed to vary in the range 0 s s n. What value of o in
degrees results in the superposition (sum) having an amplitude 9.55/2?
[Answer in degrees. Tolerance: 3%.]
Your Answer:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa4017bc8-b1af-4a06-87d7-26c35725cbf2%2F7a428ead-92d5-4680-ad73-f40470ab4487%2Fbzknifn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Imagine you are trying to catch a Howler monkey for research in the tropical forest.
As Howler monkeys are famous for their loud howls, you are using the sound of their
howls to locate their position. At a distance of 23.39 m from the monkey, the animal
can make sound waves of intensity level 90.8 dB relative to a reference intensity of
lo = 10-12 W/m2.
What is the sound intensity level of the howl at a distance of 81.7 m from the
monkey? Assume spherical waves, and an attenuation coefficient in air of a = 0.110
m-1
(Answer in dB. Tolerance: 3%.]
Your Answer:
Answer
Question 9
V Saved
Consider two simple harmonic oscillations y1(t) = 9.55cos(wt) and y2(t) = 9.55cos(wt
+ b).
The phase angle o is allowed to vary in the range 0 s s n. What value of o in
degrees results in the superposition (sum) having an amplitude 9.55/2?
[Answer in degrees. Tolerance: 3%.]
Your Answer:
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