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Determine the elongation of the rod in if it is under a tension of 5.7E10^3 N.

The rod is made of aluminum and copper. From the aluminum to the copper section it measures 1.3m and from the copper section to the end it measures 2.6m with a radius of 0.2cm.

Can someone please help, I honestly don't know where to begin.

  • physics -

    duplicate post; already answered

  • physics -

    Sorry about that!

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