quise2ross
04.02.2021 •
English
The speed of a mechanical wave through a medium depends on the type of medium. It also depends on the type of mechanical wave. Which statement is true?
A.All waves travel at the same speed through any medium.
B.All waves travel at the same speed if no medium is present.
C.Electromagnetic waves require a medium, but mechanical waves do not.
D.Mechanical waves require a medium, but electromagnetic waves do not.
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