A 5.0-m long, 12-kg, ladder rests against a smooth vertical wall with the bottom of the ladder 3.0 m from the wall. The coefficient of static friction between the floor and the ladder is 0.28. What distance, measured along the ladder from the bottom, can a 60-kg person climb before the ladder starts to slip?
A)4.0 m
B)3.7 m
C)1.7 m
D)1.3 m
E)3.3 m

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The Answer of A 5.0-m long, 12-kg, ladder rests against a smooth vertical wall with the bottom of the ladder 3.0 m from the wall. The coefficient of static friction between the floor and the ladder is 0.28. What distance, measured along the ladder from the bottom, can a 60-kg person climb before the ladder starts to slip?
A)4.0 m
B)3.7 m
C)1.7 m
D)1.3 m
E)3.3 m

A 50-M Long, 12-Kg, Ladder Rests Against a Smooth Vertical Wall