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slava [35]
3 years ago
5

Helpp!! .... .... ...

Biology
1 answer:
kati45 [8]3 years ago
7 0

Answer: 6 is the wavelength has decreased.

Explanation:

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Nucleic acids are composed of:
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The speed of a sound in air is 342.5 m/s. The wavelength of the sound is 0.750 m. What is the frequency of the sound? a. 567HZ b
Masja [62]

Answer:

b. 457 Hz

Explanation:

Things including sound move like waves in the air. The distance between the crest of those waves is known as the wavelength, denoted by lambda (λ).

The wavelength of a sound can be calculated using the formula: λ = c/f

Where; λ= wavelength

c = speed of sound

f = frequency of sound

According to the question;

Wavelength of sound (λ) = 0.750m

Speed of sound (c) =342.5m/s

To calculate frequency (f), we make f the subject of the formula in λ = c/f

We initially cross multipy to have; c = λf

Divide both sides by λ to have; f = c/λ

We then calculate by inputting our values into the formula: f = c/λ

f = 342.5/0.750

f= 456.66

Approximately, the value of the frequency of the sound is 457Hz.

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1. Where in the digestive system do the amounts of glucose, amino acids, and fatty acids increase?
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