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ppk ppk
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12 years ago
A 5.00-m-long ladder, weighing 200 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 center of mass of the ladder is 2.50 m from its base, and 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?
A) 1.50 m
B) 1.26 m
C) 1.05 m
D) 3.95 m
E) 4.56 m
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bio_manbio_man
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3 years ago
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thanks
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