Question: A 1 - m - long copper bar is placed between two rigid, unyielding walls, as shown, with only one end attached. Calculate ( a

A 1-m-long copper bar is placed between two rigid, unyielding walls, as shown, with only one end attached. Calculate (a) If the current temperature is 20C, at what temperature the gap will be closed? (b) the stress developed in the bar due to a temperature rise of 50C.
A 1 - m - long copper bar is placed between two

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