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If the spar has a cross sectional area of 10 mm x 20 mm how

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A 2014-T6 aluminum spar in an airframe is expected to support an alternating load ranging between 32 kN and -32 kN at a frequency of (2.5x10^1)cycles/hour. If the spar has a cross sectional area of 10 mm x 20 mm, how many hours will the spar last based on the data in the graph provided? Express your answer as X.X x 10^Y hours.

Reference no: EM13609195

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