Answered

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Which action will raise a pitch from a low sound to a higher one?
A ruler placed on a desk is moved so that only a small amount of the ruler is touching the desk before it is struck.
none of the above
A violin string is tightened, increasing the amount of vibration.
A violin string is loosened, decreasing the amount of vibration.

Sagot :

A violin string being tightened
the violin string being tightened would raise the pitch overall! this is because there’s a higher frequency in vibration! hope this helps :)
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