The Lowest a on a Piano Has a Frequency of 27.5

question 21

Multiple Choice

The lowest A on a piano has a frequency of 27.5 Hz.If the tension in the 2.0-m long string is 151 N and one-half wavelength occupies the string,what is the mass of the string?

• A) 100 g
• B) 25 g
• C) 37 g
• D) 50 g

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