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Two circular rods, one steel and the other copper, are both 0.715m long and 1.50cm in diameter. Each is subjected to a force with

Two circular rods, one steel and the other copper, are both 0.715m long and 1.50cm in diameter. Each is subjected to a force with magnitude 3550N that compresses the rod. A) What is the difference in the length of the two rods when compressed? Express in meters.

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