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Suppose a tightrope walker creates a tension of 3.94 x 103 N making a small angle below the horizontal from each supporting pole. Calculate

Suppose a tightrope walker creates a tension of 3.94 x 103 N making a small angle below the horizontal from each supporting pole. Calculate how much this tension stretches the steel wire if it was originally 15 m long and 0.48 cm in diameter. Assume steel has a Young's modulus of 2.10 x 1011 N/m. Give your answer in cm. AL=1

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