Question: The lowest note on a grand piano has a frequency of 27.5 Hz. The entire string is 2.00 m long and has a mass of

The lowest note on a grand piano has a frequency of 27.5 Hz.
The entire string is 2.00 m long and has a mass of 400 g. The vibrating section of the string is 1.90 m long. What tension is needed to tune this string properly?

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