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If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an axial pull of 3000 kg, the stress developed, is

9.5541 kg/cm2
95.541 kg/cm2
955.41 kg/cm2
9554.1 kg/cm2.

Correct Answer: 955.41 kg/cm2

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