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Physics, 13.03.2021 01:00 acoverupoze5th

If you are sitting 8.20 m from a 70.0 W speaker, what is the
sound level in dB?
(Treat the speaker as a point source.)
(Unit = dB)

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If you are sitting 8.20 m from a 70.0 W speaker, what is the
sound level in dB?
(Treat...

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