sound waves
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Title: sound waves

Essay Details:

Subject: Science
Author: Peggy Z
Date: November 10, 2015
Level: University
Grade: A
Length: 3 / 768

Essay text:

Although it is commonly in air, sound will rapidly travel through many materials such as water and steel. Some closed maerials absorb much of the sound waves, preventing the waves from penetrating the material. The back and forth vibrtion of an object creates the compression waves of sound. The motons of a loudspeaker cone, drumhead and guitar string are good examples of vibration that cause compression wave. A sound wave will spread out after it leaves its source, decreasing its loudness. The loudnss decreases as the distance from the source. Also, if there is some absorption in the material, the loudness of the sound will decrease as it moves through the substance...

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