Mathematics, 06.03.2020 19:24 josephmcintosh3137
One end of a piano wire is wrapped around a cylindrical tuning peg and the other end is fixed in place. The tuning peg is turned so as to stretch the wire. What is the algebraic expression for the change ΔL in the length of the wire for each turn of the tuning peg? Express your answer in terms of the radius rp of the tuning peg.
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