# physics

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A typical steel B-string in a guitar resonates at its fundamental frequency at 240 Hertz. The length of the string is 0.620 m. What is the wave velocity along the string? Find your answer in m/s.
What is the formula to solve?

• physics -

Try this one, which you should memorize:

(frequency)*(wavelength) = wave speed

The trick is to know that, for the fundamental frequency, the wavelength is twice the length of the string, because only a half-wave is vibrating.

• physics -

29.75m/s?

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