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Waves and Sounds

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Energy and Power of a Wave: Amplitude Dependence

WAVES-4WFOSU

Two mechanical waves are mostly identical (have the same frequency, wavelength, velocity, and are traveling through the same medium), except that one wave has a higher amplitude than the other.

Which wave has a greater power?

A

The one with the greater amplitude.

B

The one with the lower amplitude.

C

They both have exactly the same power.

D

It depends on whether they are transverse or longitudinal waves.