A ladder of length L is slipping with its ends against a vertical wall and a horizontal
Channel: Doubtnut
Date: 12/07/2020

A ladder of length L is slipping with its ends against a vertical wall and a horizontal floor. At a certain moment, the speed of the end in contact with the horizontal floor is `v` and the ladder makes an angle `theta=30^@` with horizontal. Then, the speed of the ladder's centre of mass must be