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A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of incli¬nation of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is | |
A. | 1/4 [Wrong Answer] |
B. | 1/3 [Correct Answer] |
C. | 3 [Wrong Answer] |
D. | 4 [Wrong Answer] |