3. The material is subjected to biaxial loading producing uniform normal stress ox and oy as shown. The strains are e, = -0.00065 and e, = -0.00040. Use E = 30 x 10° psi and v = Determine the following: (a) oz. Indicate tension or compression. Use 2 decimal places. (b) oy. Indicate tension or compression. Use 2 decimal places. (c) Change in the thickness of the material. Indicate elongation or contraction. Use 5 decimal places and scientific notation of x 10-3 (Example: ._ 0.30. x 10-3) y Oy Ox Oy 5 N

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Highway Safety

Proper highway safety refers to the methods or rules that prevent highway travelers from being killed or severely injured. Proper highway safety measures help to protect motorists, cyclists, pedestrians, passengers on public transport, and so on.