_please help me answering this
question.. this is from strength of materials
1. A 600 mm long concrete sample has a deformation of 1.70 mm when it fails under an axial compressive load. Determine the average normal strain in the sample at failure. 2. Calculate the percent deformation in a rubber gasket 20 mm thick if it is compressed 7 mm when loaded. 3. A member subjected to an axial load of 25 kN compression has a strain of_0.0025 m/m. If the original length of the member was 0.40 m, determine the member the deformation of
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