A 40 foot aluminum street lighting support is sized and

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A 40 foot aluminum street lighting support is sized and welded intoposition between two very large bridge beams on a hot summer daywhen temperature of the aluminum support is 145 degrees Fahrenheit.At a winter temperature of -40 degrees Fahrenheit, what is the typeof stress in the support and what is the magnitude of the stresslevel support?

Reference no: EM13636991

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