The wavelength of the sound with a frequency of 100 Hz and a velocity of 250 m/s is 2.5 meters.
You can use the wave equation to find the wavelength of sound:
Wavelength (λ) = Velocity (v) / Frequency (f)
Wavelength (λ) = 250 m/s / 100 Hz = 2.5 meters
So, the wavelength of the sound with a frequency of 100 Hz and a velocity of 250 m/s is 2.5 meters.
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If you take the data you gave and insert it into the equation f=v/λ the frequency would come out to be 2.5m.
Answer:
The earth rotates because of the way it was formed. Our Solar System formed about 4.6 billion years ago when a huge cloud of gas and dust started to collapse under its own gravity. As the cloud collapsed, it started to spin.
Well you would use The equation Average Speed= Distance/Time
S=4/5
S= 0.8
When you're trying to find the distance and speed, you always use the equation:
Average Speed = Distance/Time
So your answer is:
S=4/5
S= 0.8