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Home Q & A Board Science-Related Homework Help Physics
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tankster tankster
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7 years ago
Sound vibrations with frequencies less than 20 Hz are called
A) infrasonics.
B) ultrasonics.
C) supersonics.
D) infrared.
E) megasonics.
Textbook 
Physics

Physics


Edition: 4th
Author:
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longhairlonghair
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7 years ago
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tankster Author
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7 years ago
Good timing, thanks!
gmiannotti
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Yesterday
Correct Slight Smile TY
Ifekwunigwe
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2 hours ago
Thanks for your help!!
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