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Physics, 23.11.2021 14:00 maribelarreolap4sgpj
residents of hawaii are warned of the approach of a tsunami by sirens mounted on the tops of towers. suppose a siren produces a sound that has an intensity level of 120 db at a distance of 2.0 m.
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residents of hawaii are warned of the approach of a tsunami by sirens mounted on the tops of towers....
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