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A steel guitar string is 73 cm long and 0.15 mm in diameter. If it's under tension of 1.5kN, how much is it stretched?

  • Physics -

    Stress = E*Strain = E*(deltaL/L)

    For steel, E = 200*10^9 N/m^2
    E is called Young's modulus

    Calculate the stress in N/m^2 and solve for deltaL (the length change) in meters

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