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4. [3 pts] You have a square drum with side length 0.3 m that absorbs a total of 0.27 J of energy from a sound wave over 15 s

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Answer #1

Here,

for the intensity

Intensity = energy/(area * time )

Intensity = 0.27/(0.30^2 * 15)

Intensity = 0.20 W/m^2

the intensity of the wave is 0.20 W/m^2

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