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A steel wire of length 4.7 m and cross-s...

A steel wire of length 4.7 m and cross-sectional area `3.0 xx 10^-5 m^2` stretches by the same amount as a copper wire of length 3.5 m and cross-sectional area of `4.0 xx 10^-5 M^2` under a given load. What is the ratio of the Young’s modulus of steel to that of copper?

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