A length of piano wire is used to hang a mass from the ceiling. If the total mass of the string is 0.72 g and the mass hung from it is 1850 g, what is the length of the wire, assuming the fundamental frequency when plucked in these circumstances is 1280 Hz?
A. 2.48 cm
B. 6.15 cm
C. 3.08 cm
D. 1.54 cm
B. 6.15 cm
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