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A rod 1.05 m long, whose weight is negligible, is supported at its ends by wires A and B of equal length. The cross section of A is 1 mm^2 while that of B is 2 mm^2. The Y of A is 2.4 x 10^11 Pa. At what point along the rod should a weight W be suspended in order to produce (a) equal stresses in A and B (b) equal strains in A and B
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