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Physics

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SEQUENCE of questions:
1)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
MY ANSWER 148.8m/s?

2)The tension in the above string is 84.0 N. Calculate the mass of a 3 m long piece of the steel string. Find your answer in kilograms

3)Find the wavelength of the third harmonic of the guitar string described in the problem before last.

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