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 ?1) 1.0 in from the wall2) 1.732 m from the wall3) 1.0 m above the floor4) 1.732 m above the floorThe correct answer is?

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