A person stands at the middle point of a wooden ladder, which starts slipping between a vertical wall and the floor of a room.
A person stands at the middle point of a wooden ladder, which starts slipping between a vertical wall and the floor of a room. The path traced by a person standing at the middle point of the slipping ladder, is
(a) a straight line (b) an elliptical path (c) a circular path (d) a parabolic path
8 views