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(a) A worker stands a distance d = 0.425 m from the left end of a plank as shown in the figure

(a) A worker stands a distance d = 0.425 m from the left end of a plank as shown in the figure. The plank is supported by three cords. Find the tension in each cord in N). Assume the plank is uniform, with length L = 2.00 m and mass 30.5 kg, and the weight of the worker is 685 N. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) 

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(b) What If? The worker now begins to walk to the right. If each of the cords can support a maximum tension of 750 N, which cord fails first? 

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