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SashulF [63]
3 years ago
13

If the frequency of wave is 400 Hz and its

Physics
1 answer:
agasfer [191]3 years ago
8 0

Answer:

D) 1000 m/s

Explanation:

wavelength = \frac{velocity}{frequency}

You have the wavelength and frequency, you just need to solve for velocity. You can do this by multiplying each side of the equation by frequency.

Hope this helps.

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Hey There,

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Answer:

(1) An object that’s negatively charged has more electrons than protons.

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