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17. A sound that's produced by a single wave at a constant frequency and with no overtones is called A. a mellow sound. B. an average sound. C. a pure sound. D. a discordant sound.
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Asked 3/31/2016 3:28:11 PM
Updated 3/31/2016 11:46:30 PM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [3/31/2016 11:46:29 PM], Confirmed by jeifunk [3/31/2016 11:46:30 PM]
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User: 17. A sound that's produced by a single wave at a constant frequency and with no overtones is called A. a mellow sound. B. an average sound. C. a pure sound. D. a discordant sound.

Weegy: A sound that's produced by a single wave at a constant frequency and with no overtones is called a PURE SOUND.

snake12|Points 1639|

User: 18. When a sound from a source is refracted away from the surface of the earth, it gives an indication that the A. air is cooler than the ground. B. wind is blowing in the direction of the sound. C. air has high humidity. D. ground is cooling faster than the air.

Weegy: When a sound from a source is refracted away from the surface of the earth, it gives an indication that the air is cooler than the ground.




User: 19. The number of waves that pass a particular point in a body in a unit of time is called the _______ of the waves. A. amplitude B. frequency C. rarefaction D. compression

Weegy: The number of waves that pass a particular point in a body in a unit of time is called the frequency of the waves.



User: 20. The wavelength of a wave is the distance between A. the amplitude and the normal position. B. the rarefaction and the following compression. C. two consecutive crests. D. the crest and the following trough.

Weegy: The wavelength of a wave is the distance between : two consecutive crests.

jeifunk|Points 68175|

User: 21. Which one of the following environments will sound not travel through? A. Gas B. Vacuum C. Liquid D. Solid

Weegy: The environment in which sound will not travel through is a VACUUM.



User: 22. In a transverse wave that travels through a medium, the molecules of the medium vibrate A. with smaller amplitudes than the molecules in a longitudinal wave. B. at twice the velocity of the molecules in a longitudinal wave. C. in the direction in which the wave travels. D. at right angles to the direction in which the wave travels.

Weegy: In a transverse wave that travels through a medium, the molecules of the medium vibrate at right angles to the direction in which the wave travels.
lolai3|Points 50|

User: 23. The part of the ear where sound wave compressions and rarefactions cause the eardrum to vibrate is the A. middle ear. B. outer ear. C. inner ear. D. auditory nerve.

Weegy: The part of the ear where sound wave compressions and rarefactions cause the eardrum to vibrate is the middle ear.
debnjerry|Points 72465|

User: 24. The spreading of sound waves around openings in barriers is called A. refraction. B. an echo. C. diffraction. D. reverberation.

Weegy: The spreading of sound waves around openings in barriers is called DIFFRACTION.



User: 25. The change in pitch of a train's horn as it passes while you are standing still can be explained by A. ultrasonic vibrations. B. resonance. C. the Doppler effect. D. sympathetic vibration.

Weegy: The change in pitch of a train's horn as it passes while you are standing still can be explained by the Doppler Effect.



Question
Asked 3/31/2016 3:28:11 PM
Updated 3/31/2016 11:46:30 PM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [3/31/2016 11:46:29 PM], Confirmed by jeifunk [3/31/2016 11:46:30 PM]
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Questions asked by the same visitor
2. The acceleration of gravity is a constant equal to _______ meters per second squared. A. 8.4 B. 9.8 C. 10.2 D. 7.6
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Updated 3/29/2016 9:03:21 PM
1 Answer/Comment
The acceleration of gravity is a constant equal to 9.8 meters per second squared.
Added 3/29/2016 9:03:21 PM
This answer has been confirmed as correct and helpful.
12. Through which one of the following mediums is the velocity of a sound wave the greatest? A. Air B. Steel C. Lead D. Water
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Not Answered
Updated 3/30/2016 8:36:18 PM
1 Answer/Comment
The velocity of a sound wave is the greatest in: STEEL.
Added 3/30/2016 8:36:18 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [3/30/2016 8:48:56 PM]
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