Two small speakers emit sound waves of different frequencies equally in all directions. Speaker A has an output of 0.900 mW, and speaker B has an output of 2.00 mw. 4.00 mj В 3.00 m 2.00 m (a) Determine the sound level (in decibels) at point C assuming only speaker A emits sound. dB (b) Determine the sound level (in decibels) at point C assuming only speaker B emits sound. dB (c) Determine the sound level (in decibels) at point C assuming both speakers emit sound. dB

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Two small speakers emit sound waves of different frequencies equally in all directions. Speaker A has an output of 0.900 mw, and speaker B has an output of 2.00 mw.
C
4.00 mj
В
3.00 m
2.00 m
(a) Determine the sound level (in decibels) at point C assuming only speaker A emits sound.
dB
(b) Determine the sound level (in decibels) at point C assuming only speaker B emits sound.
dB
(c) Determine the sound level (in decibels) at point C assuming both speakers emit sound.
dB
Transcribed Image Text:Two small speakers emit sound waves of different frequencies equally in all directions. Speaker A has an output of 0.900 mw, and speaker B has an output of 2.00 mw. C 4.00 mj В 3.00 m 2.00 m (a) Determine the sound level (in decibels) at point C assuming only speaker A emits sound. dB (b) Determine the sound level (in decibels) at point C assuming only speaker B emits sound. dB (c) Determine the sound level (in decibels) at point C assuming both speakers emit sound. dB
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