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tester [92]
3 years ago
12

I REALLY NEED HELP JUST 2 QUESTIONS

Mathematics
1 answer:
inysia [295]3 years ago
5 0

Answer:

1 is smooth

2 is I

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The sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

<h3>Calculating wavelength </h3>

From the question, we are to determine how many times longer is the first sound wave compared to the second sound water

Using the formula,

v = fλ

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Where v is the velocity

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= (v/20) × 16000/v)

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