A ladder 5 m in length is resting against vertical wall. The bottom of the ladder is pulled along
Channel: Doubtnut
Date: 2020-08-02

A ladder 5 m in length is resting against vertical wall. The bottom of the ladder is pulled along the ground away from the wall at the rate of 1.5m/sec. The length of the highest point of the ladder when the foot of the ladder 4.0 m away from the wall decreases at the rate of