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April 19, 2015

Homework Help: physics

Posted by Anonymous on Friday, April 6, 2012 at 9:03am.

A steel rod of length 1 m is welded to the end of an aluminum rod of length 2 m (lengths measured at 23 C). The combination rod is then heated to 198 C. What is the length of the combination rod at 198 C? (The linear expansion coefficients for steel and aluminum are 1.3 10-5 C−1 and 2.2 10-5 C−1, respectively. Enter your answer to three significant figures.)

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