A copper wire of 3m and 1mm diameter is subjected to an extension of 5kg. calculate the elongation produced in the wire of Young modulus of elasticity of copper 120GPa.
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Expert's answer
2021-10-19T15:09:18-0400
The elongation is
ΔL=LEσ=LAEF=πd2E4Lmg,ΔL=3.14⋅0.0012⋅120⋅1094⋅3⋅5⋅(9.8)=1.56⋅10−3 m.
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