Suppose a piano tuner stretches a steel piano wire 5.5 mm. The wire was originally 0.825 mm in diameter, 1.27 m long, and has a Young's modulus of 2.10 × 1011 N/m2. l0 = 1.27 m l = 5.5 mm d = 0.825 mm Calculate the force a piano tuner applies to stretch the steel piano wire in Newtons. F =

Suppose a piano tuner stretches a steel piano wire 5.5 mm. The wire was originally 0.825 mm in diameter, 1.27 m long, and has a Young's modulus of 2.10 × 1011 N/m2. l0 = 1.27 m l = 5.5 mm d = 0.825 mm Calculate the force a piano tuner applies to stretch the steel piano wire in Newtons. F =

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Question

Suppose a piano tuner stretches a steel piano wire 5.5 mm. The wire was originally 0.825 mm in diameter, 1.27 m long, and has a Young's modulus of 2.10 × 10¹¹ N/m².

l₀ = 1.27 m
l = 5.5 mm
d = 0.825 mm

Calculate the force a piano tuner applies to stretch the steel piano wire in Newtons.

F =

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