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Physics, 14.09.2019 02:10 eddou55

Aflying hawk makes a noise of frequency 50 hz that spreads evenly in every direction. the intensity at the ground, 60 m below, is measured at 70 db. what is the power radiated by the hawk?

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Aflying hawk makes a noise of frequency 50 hz that spreads evenly in every direction. the intensity...

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