A particular human hair has a Young's modulus of 3.31 x 10° N/m2 and a diameter of 145 um. If a 236 g object is suspended by the single strand of hair that is originally 17.5 cm long, by how much AL hair will the hair AL hair = m stretch? If the same object were hung from an aluminum wire of the same dimensions as the hair, by how much ALAI would the ALAI = aluminum stretch? If the strand of hair is modeled as a spring, what is its spring N/m constant khair ? khair = E

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Chapter1: Units, Trigonometry. And Vectors
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A particular human hair has a Young's modulus of 3.31 x 10° N/m2 and a diameter of 145 um.
If a 236 g object is suspended by the single strand of hair that
is originally 17.5 cm long, by how much AL bair will the hair
AL
hair =
m
stretch?
If the same object were hung from an aluminum wire of the
same dimensions as the hair, by how much ALAI would the
ALA =
aluminum stretch?
If the strand of hair is modeled as a spring, what is its spring
N/m
constant khair?
khair =
Transcribed Image Text:A particular human hair has a Young's modulus of 3.31 x 10° N/m2 and a diameter of 145 um. If a 236 g object is suspended by the single strand of hair that is originally 17.5 cm long, by how much AL bair will the hair AL hair = m stretch? If the same object were hung from an aluminum wire of the same dimensions as the hair, by how much ALAI would the ALA = aluminum stretch? If the strand of hair is modeled as a spring, what is its spring N/m constant khair? khair =
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