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A railroad track la made of individual rails of steel each 29 feet in length. By...
Given a steel railroad track which was installed at 30 F. Let E = 29 x 10^6 psi and α = 6.5 x 10^-6 / F If the temperature reaches 125 F, a) Find the normal stress in the rails which are welded together to form a continuous track. b) Find the normal stress in the rails assuming the rails are 39 ft. long with 1/4" gap between them 3a fr オ Given: A steel railroad track which was installed...
8. [-14 Points] DETAILS SERPSE10 30.1.OP.008.CTX. MY NOTES ASK YOUR TEACHER You are a technician at an MRI center. One day some medical students enter your lab for a training session. One of them asks about metal in the MRI room, and you clearly state that that is a dangerous situation. The questioner does not look convinced, so you provide the following example. Suppose a woman enters the MRI machine and has forgotten to remove a silver choker necklace. The...