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Ivenika [448]
3 years ago
6

I really need help.

Physics
1 answer:
Zielflug [23.3K]3 years ago
4 0
2/5 = .4
.4*100= 40%
Alex spends more time
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In a compression wave, particles in the medium move
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Thank you for posting your question here at brainly. Feel free to ask more questions.  
<span><span>The best and most correct answer among the choices provided by the question is  </span>B.-2.71 V.</span>  
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4 years ago
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The wavelength decreases to roughly half.
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Explanation:

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