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tester [92]
3 years ago
8

Are There some sounds for which we are all deaf

Physics
1 answer:
lana66690 [7]3 years ago
6 0

Answer: Infrasound is the span of low-frequency sounds below 20 Hz that fall below the hearing range of humans. While these sounds escape our ears, scientific instruments can detect them—and tell us some interesting things about the planet.

Explanation:

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Answer:

d

Explanation:

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3 years ago
Two speakers, one directly behind the other, are each generating a 280-Hz sound wave. What is the smallest separation distance b
Annette [7]

Answer:

1.21m

Explanation:

If two speakers are generating a frequency of 280Hz, the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them is also known as the wavelength of the sound wave generated.

Using the expression;

Velocity v = frequency f × wavelength ¶

Given frequency = 280Hz, speed of sound v = 338m/s

Substituting this data's in the expression given to get the wavelength will give;

¶ = v/f

¶ = 338/280

¶ = 1.21m

The smallest separation between the speakers that will produce the interference is 1.21m

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dedylja [7]

Correct answer choice is:

D. A continuous transmission of energy from one location to the next.

Explanation:

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3 0
3 years ago
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How might the velocity (speed) of wind or water affect the deposition of sediments?
Maksim231197 [3]
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What is the velocity of a wave with a wavelength of 3.7 m and a frequency of 22.5 Hz?
ExtremeBDS [4]

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Explanation:

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