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Q1: The fibers in a unidirectional lamina have a diameter of 12 μm and weight
fraction of 60%. The density of fibers is 1.5 of the density of the epoxy. Find the
center-to-center spacing of the fibers if:
1. Packed in a square array in the epoxy matrix.
2. Packed in a triangular array in the epoxy matrix.

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