A sound wave has a speed of 330m/s and a wavelength of 0.372 m. what is the frequency of the wave?
1 answer:
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Answer:
Force = 125 [N]
Explanation:
In the attached image we can see a sketch of the lever system.
And if we make a sum of moments at the point O equal to zero (0).
In the equation showed in the image, we can determinate the force that we need
