## Question

###### Two speakers and radiate sound uniformly in all directions. The sound speed is 340 m/s The power output from speaker A is 8.00 watt and from B it is 2.00 watt. Both speakers are vibrating in phase at a frequency of 170 Hz. A listener is 4.00 m - 3.00 m- standing at point C between A and B, and is 4.00 m away from A and 3.00 m from B. (a) Determine the intensity (powerlarea) at C from speaker A if speaker B is turned off. (b) Whatis the corresponding intensity level in dB as youjust obtained

Two speakers and radiate sound uniformly in all directions. The sound speed is 340 m/s The power output from speaker A is 8.00 watt and from B it is 2.00 watt. Both speakers are vibrating in phase at a frequency of 170 Hz. A listener is 4.00 m - 3.00 m- standing at point C between A and B, and is 4.00 m away from A and 3.00 m from B. (a) Determine the intensity (powerlarea) at C from speaker A if speaker B is turned off. (b) Whatis the corresponding intensity level in dB as youjust obtained in (a)2 (0 dB 10-"2WIm?) (c) Determine the intensity at â‚¬ when both speakers are turned on. (hint: consider interference effect) Use three significant figures for this problem (HtBA= (AIAZE/F ?) (2/3/5 pts)

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