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F) A) and B)
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G) A) and D)
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Correct Answer
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A) The wave speed is unchanged.
B) The wave speed is halved.
C) The wave speed is quadrupled.
D) The wave speed decreases to about 71% of v.
E) The wave speed increases by about 41%.
F) B) and E)
G) A) and E)
G) A) and E)
Correct Answer
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Correct Answer
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