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NemiM [27]
3 years ago
7

Someone help me pls will make you as brain

Chemistry
2 answers:
KiRa [710]3 years ago
8 0

Answer:

black sewage

Explanation:

Alex73 [517]3 years ago
7 0

Answer:

your pic is blur

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A sound wave traveling through a certain freshwater lake has a frequency of 349.2 Hz and a wavelength of 4.25 m. What is the spe
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Answer:

The speed of a spound wave in this water is 1484.1 m/s

Explanation:

Step 1: Data given

Frequency = 349.2 Hz

Wavelength = 4.25 m

Step 2: Calculate the speed

v = f*λ

⇒ with v= the speed of a sound wave in this water

⇒ with f = the frequency = 349.2 Hz

⇒ with λ = the wavelength = 4.25 m

v = 349.2 Hz * 4.25 m = 1484.1 m/s

The speed of a spound wave in this water is 1484.1 m/s

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