
David M. answered 06/21/19
Tutor
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David - Math & English Focus
The noise level will vary as the inverse square of the distance: (~) i.e. 250 db
Rich B.
asked 06/20/19David M. answered 06/21/19
David - Math & English Focus
The noise level will vary as the inverse square of the distance: (~) i.e. 250 db
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