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18. A 4.00-m-long uniform ladder, weighing 180 N, rests against a smooth vertical wall with its...

18. A 4.00-m-long uniform ladder, weighing 180 N, rests against a smooth vertical wall with its base on a horizontal rough floor, a distance of 1.20 m away from the wall. The coefficient of static friction between the ladder and the floor is 0.200. How far up the ladder, measured along the ladder, can a 600-N person climb before the ladder begins to slip?

Group of answer choices

2.71 m

1.26 m

4.56 m

1.50 m

1.05 m

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