24. * Consult Multiple-Concept Example 4 for insight into solving thisproblem. A copper rod is fastened securely at both ends to immovablesupports. When this rod is stretched, it will rupture when a tensile stressof 2.3 3 107N/m2is applied at each end. The rod just fi ts between thesupports, so initially there is no stress applied to the rod. The rod is thencooled. What is the magnitude |DT| of the change in temperature of therod when it ruptures?

24. * Consult Multiple-Concept Example 4 for insight into solving thisproblem. A copper rod is fastened securely at both ends to immovablesupports. When this rod is stretched, it will rupture when a tensile stressof 2.3 3 107N/m2is applied at each end. The rod just fi ts between thesupports, so initially there is no stress applied to the rod. The rod is thencooled. What is the magnitude |DT| of the change in temperature of therod when it ruptures?

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Question

24. * Consult Multiple-Concept Example 4 for insight into solving this
problem. A copper rod is fastened securely at both ends to immovable
supports. When this rod is stretched, it will rupture when a tensile stress
of 2.3 3 107N/m2is applied at each end. The rod just fi ts between the
supports, so initially there is no stress applied to the rod. The rod is thencooled. What is the magnitude |DT| of the change in temperature of the
rod when it ruptures?

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