A steel rod 0.69 m long and an aluminum rod 0.31 m long, both with the same diameter, are placed end to end between rigid supports with no initial stress in the rods. The temperature of the rods is now raised by 47.9 C°. What is the stress in each rod? -41117080.29 Pa O-95574179.51 Pa O95574179.51 Pa O 41117080.29 Pa

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