Calculate the extension of the bar (△L).
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A 2.25 m long solid bar (Lo) with a 32 mm diameter is placed under tension by a load (F) of 250 kN. The bar is solid and made of a homogeneous material with a Young’s Modulus E = 250 GPa. Calculate the extension of the bar (△L). Give your answer in millimeters (mm) to two decimal places.
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