Jokester647 Jokester647

14-12-2022
Physics

contestada

A stereo speaker (considered a small source) emits sound waves with a power output of (Assume that the sound is emitted uniformly in all directions from the speaker.) (a) Find the intensity10.5 mfrom the source.
__ mW/m2(Â±0.2 mW/m2)
(b) Find the intensity level, in decibels, at this distance.
_ dB(Â±0.2 dB)
(c) At what distance would you experience the sound at the threshold of pain, 120 dB?
________ m(Â±0.02 m)

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