anthonyhaywood
31.12.2020 •
Physics
What's the frequency of a wave with a wavelength of 10 and velocity of 200m/s?
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Ответ:
Explanation:
The frequency of a wave can be found using the following formula.
where f is the frequency, v is the velocity/wave speed, and λ is the wavelength.
The wavelength is 10 meters and the velocity is 200 meters per second.
1 m/s can also be written as 1 m*s^-1Therefore:
Substitute the values into the formula.
Divide and note that the meters (m) will cancel each other out.
1 s^-1 is equal to HertzTherefore, our answer of 20 s^-1 is equal to 20 HzThe frequency of the wave is 20 Hertz
Ответ:
Answer=A
Explanation: