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A material with a Young's modulus of 2.4 x 10 7 N/m 2 has a cross-sectional area of 3.80 mm 2 . When a mass

A material with a Young's modulus of 2.4 x 107 N/m2 has a cross-sectional area of 3.80 mm2 . When a mass of 1.70 kg is hung from the material, the material stretches by 3.30 cm. What was the original unstretched length of the material? Give your answer in centimeters without adding units to 2 decimal places.

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