It is necessary to fabricate an aligned and discontinuous glass fiber-epoxy matrix composite having a longitudinal tensile strength of 1200 mpa (175,000 psi) using a 0.39 volume fraction of fibers. compute the required fiber fracture strength assuming that the average fiber diameter and length are 0.015 mm (5.9 × 10-4 in.) and 5.0 mm (0.20 respectively. the fiber-matrix bond strength is 80 mpa (11,600 psi), and the matrix stress at composite failure is 6.55 mpa (950 psi).
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A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?
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It is necessary to fabricate an aligned and discontinuous glass fiber-epoxy matrix composite having...
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