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A 1,000-kg object hangs from the lower end of a steel rod 5.0 m long that is suspended vertically. The diameter of the rod

A 1,000-kg object hangs from the lower end of a steel rod 5.0 m long that is suspended vertically. The diameter of the rod is 0.80 cm and Young's modulus for the rod is 210,000 MN/m. What is the elongation of the rod due to this object?

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