On a day that the temperature is 10.0°C, a concrete walk is poured in such a way that the ends of the walk are unable to move. Take Young's modulus for concrete to be 7.00 109 N/m2 and the compressive strength to be 2.00 109 N/m2. (The coefficient of linear expansion of concrete is 1.2 10-5(°C−1).) What is the stress in the cement on a hot day of 42.0°C? N/m2
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On a day that the temperature is 10.0°C, a concrete walk is poured in such a way that the ends of th...
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