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Physics, 07.07.2019 05:10 Jasten

A85.0 kg window washer hangs down the side of a building from a rope with a cross-sectional area of 4.00×10−4 m2. if the rope stretches 0.740 cm when it is let out 7.50 m, how much will it stretch when it is let out 21.0 m?

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