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Physics, 09.10.2019 07:30 166386

Anew airport building is being built 750m from a school. the noise level is 50m from the planes that will land at the airport is 130 db. in open place, such as the fields between the school an the airport, the level descreases by 20 db each time the distance tenfolds. how far away would the school have to move to be tolerable at the school

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