A 500-M-Long Uniform Ladder,weighing 200 N,rests Against a Smooth Vertical Wall

Multiple Choice

A 5.00-m-long uniform 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 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