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A 64 kilograms water skier is being pulled by a nylon tow rope that is attached to a boat. The outstretched length of the rope is 11 meter and its cross-sectional area is 2.0 10-5 m². As the skier moves, a resistive force (due to the water) of magnitude 125 Newton acts on her; this force is directed opposite to her motion. Obtain the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s²?

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