Two speakers are spaced 15 m apart and are both producing an identical sound wave. You are standing at a spot as pictured. What
2 answers:
Answer:
The correct answer is option 213.04 Hz
Explanation:
Hello!
Let's solve this!
In this link we will find the image of the problem.
https://smart-answers.com/physics/question14138735
Regarding that image, we will first calculate the distance from my position to S1 and then to S2. Then the difference between these results.
We will use pitagoras.
S1 =
S1 = 24.17
S2 =
S2 = 22.56
The difference will be:
24.17-22.56 = 1.61 m
Constructive interference:
Δr=n*λ
λ=1.61 m (for n = 1)
Then we will calculate the frequency:
f = v / λ
f = (343m / s) /1.61m
f = 213.04 Hz
So the correct answer is option 213.04 Hz
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