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Sam and Ryan stand at some distances apart in a park, each making sound with an...

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Physics

Sam and Ryan stand at some distances apart in a park, eachmaking sound with an identical 512Hz tuning fork. A bird resting atthe midpoint between them detects a sound of intensity level of40dB, assume this bird has a threshold of hearing of10-14 w/m2, (I) what is the pressureamplitude of the sound wave from each tuning fork? (II) If thepower output of each tuning fork is 10-6 W, how farapart are Sam and Ryan ? (III) The bird is now flying away. Whenthe bird is 1 km from Sam, the intensity drops to 10 dB, how far isthe bird from Ryan?

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