Question

13 points!! Two Speakers, a and B, produce identical sound waves. A listener is 3.20m from speaker A. The listener finds the lowest frequency that creates constructive interference at his location is 72.4 Hz. How far away is he from speaker B?

Answer 1

Explanation:

Because the earth rotates through two  tidal  “bulges” every lunar  day, coastal areas experience two  high  and two low  tides  every 24 hours and 50 minutes.  high tides  occur 12 hours and 25 minutes apart. it takes six hours and 12.5 minutes for the water at the shore to go from  high  to low, or from low to  high.

Answer 2

Answer:

The answer is 7.94 meters!

Explanation:

I've also been stuck at this question but I finally figured it out.

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