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5. A rotating component made of 70Cu-30Zn brass is subjected to a fluctuating axial load of +/- 500 N. If the component needs a

5. A rotating component made of 70Cu-30Zn brass is subjected to a fluctuating axial load of +/- 500 N. If the component needs a fatigue life of 105 cycles, what cross-sectional area is required? (3)

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