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  • 11-02-2017
  • Physics
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Hey guys, i'm at 10 grade at school i have a physics question about stress tension and young modulus ? Please this is my question below ?! Thank you ❤

Hey guys, i m at 10 grade at school i have a physics question about stress tension and young modulus ? Please this is my question below ?! Thank you class=

Verified Answer :

SutaPinatih
SutaPinatih SutaPinatih
  • 11-02-2017

Use the eq. of Young modulus Y=(F/A)/(∆l/lo)
dimana ∆l is the elongation of wire, lo is its initial length.
So ∆l = (F/A)lo/Y.
∆l = (1000N/(6.5 × 10^-7 m^2))×(2.5m)/(2.0 × 10^-11 N/m^2)
Use calculator to finish it.

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