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    Determining distance to objects

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    Determine the distance d to which the painter of weight, 80Kg, can climb without causing the 4 m ladder to slip at its lower end A. The top of the 20Kg ladder has a small roller, and at the ground the coefficient of static friction is 0.25 (see attachment).

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    Solution Summary

    The solution determines the distance a painter can climb without slipping (see attachment).