A piano wire 0.82 m long and 0.93 mm in diameter is fixed on one end. The other end is wrapped around a timing peg 3.5 mm in diameter. Initially the* wire, whose Young’s modulus is 2.4 × 1010 N/m2, has a tension of 14 N. Find the tension in the wire after the tuning peg has been turned through one complete revolution.
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