a steel rod of cross sectional area of 0.25in2 is stretched between two fixed points. the tensile force at 70 degrees Fahrenheit is 1200Lb. what will be the stress at 0 degrees Fahrenheit? at what temperature will will the temperature be zero? assume alpha is 0.000065in/in degree Fahrenheit

a steel rod of cross sectional area of 0.25in2 is stretched between two fixed points. the tensile force at 70 degrees Fahrenheit is 1200Lb. what will be the stress at 0 degrees Fahrenheit? at what temperature will will the temperature be zero? assume alpha is 0.000065in/in degree Fahrenheit

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