A wire of 3.00 m long and 0.625 cm² in cross section is found to stretch by 0.3 cm under a tension of 1200 kg. The Young’s modulus of the material of the wire is

$$10^{11} \text{ N/m}^2$$

$$10^{11} \text{ N/m}^2$$

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$$10^{10} \text{ N/m}^2$$

$$10^{10} \text{ N/m}^2$$

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$$4 \times 10^{10} \text{ N/m}^2$$

$$4 \times 10^{10} \text{ N/m}^2$$

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$$1.8 \times 10^{11} \text{ N/m}^2$$

$$1.8 \times 10^{11} \text{ N/m}^2$$

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