A steel piano wire 0918 m long has a crosssectional area of


A steel piano wire 0.918 m long has a crosssectional area of 0.00856 cm2. When under a tension of 142 N, how much does it stretch? Young's modulus for the wire is 2 × 1011 N/m2. Answer in units of mm

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Physics: A steel piano wire 0918 m long has a crosssectional area of
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