A ladder of weight 'w' rests againsts a smooth vertical wall and rests on a rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination 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
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ladder of weight 'w' rests againsts a smooth vertical wall and rests on a rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination 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
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