Homework Help: Physics

Posted by Maria on Monday, September 26, 2011 at 11:23pm.

The lowest A on a piano has a frequency of 27.5 Hz.
Assume: The tension in the A piano wire (of length 1.8 m) is 305 N, and one-half wave- length occupies the wire.
What is the mass of m the wire? Answer in units of kg.

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