Task id17181
Seller: nerdmavr
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Product description
At a distance of 20 m from a small sound source, the wave intensity is 3.0 nW/m2. Find the intensity of the wave at a distance of 32 m from the source, if for sound of a given frequency the thickness of the tin absorption layer is 120 m. Compare intensity levels.
Additional information
Detailed solution. Format gif