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April 19, 2014

Homework Help: physics

Posted by duke on Tuesday, May 14, 2013 at 3:07am.

A steel rod of length 1m is heated from 25c to 75c keeping its length constant.The longitudinal strain developed in the rod is:(steel:12 X 10^-6/c)
"6X10^-4" ; "-6X10^-4" ; "0"
please help me as soon as possible by explain this.

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