Problem: A metal rod that is 4 m long and has a cross sectional area of 0.1 cm 2 is stretched by 0.25 cm when a tensile force is applied to both ends of the wire. If the force is 1.2 kN, what is the Young's modulus of this metal?

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A metal rod that is 4 m long and has a cross sectional area of 0.1 cm 2 is stretched by 0.25 cm when a tensile force is applied to both ends of the wire. If the force is 1.2 kN, what is the Young's modulus of this metal?

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