wallsdeandre4867 wallsdeandre4867 19-02-2024 Physics contestada A piano wire 0.75 m long and 0.80 mm in diameter is fixed on one end. the other end is wrapped around a tuning peg 5.0 mm in diameter. initially the wire, whose young's modulus is 2.4×10¹0 N/m², has a tension of 30 N.