A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?_x005F_x000D_1) 1.0 in from the wall_x005F_x000D_2) 1.732 m from the wall_x005F_x000D_3) 1.0 m above the floor_x005F_x000D_4) 1.732 m above the floor_x005F_x000D_The correct answer is?

• A. (1) and (3)
• B. (1) and (4)
• C. (2) and (3)
• D. (2) and (4)