Physics, 06.03.2020 19:14 shimonypuck28

A sound source emits 20.0 W of acoustical power spread equally in all directions. The threshold of hearing is 1.0 × 10-12 W/m2. What is the sound intensity level 30.0 m from the source?

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A sound source emits 20.0 W of acoustical power spread equally in all directions. The threshold of h...

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