Kyaspell Kyaspell
  • 01-06-2017
  • Physics
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A sound wave with a power of 8.8 ×10^-4 W leaves a speaker and passes through section A, which has an area of 5.0 m^2 what is the intensity of sound in this area? 1.8×10^-4, 1.8×10^-6, 1.6×10^-4 1.6×10^-6

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anonymous79
anonymous79 anonymous79
  • 01-06-2017
the answer will be the first option
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