A particular human hair has Young's modulus of 3.69×109 N/m2 and a diameter of 142 μm. If a 256 g object is suspended by

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answerhappygod
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A particular human hair has Young's modulus of 3.69×109 N/m2 and a diameter of 142 μm. If a 256 g object is suspended by

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A particular human hair has Young's modulusof 3.69×109 N/m2 and a diameterof 142 μm.
If a 256 g object is suspended by a single strand ofhair that is originally 19.5 cm long, by how much Δ𝐿hair will the hair stretch?
Δ𝐿 hair=___m
If the same object were hung from an aluminum wire of the samedimensions as the hair, by how much Δ𝐿 Al would thealuminum stretch?
Δ𝐿Al=___m
If the strand of hair is modeled as a spring, what is its springconstant 𝑘 hair?
𝑘hair=___N/m
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