From a tower of height `40 m`, two bodies are simultaneously projected horizontally in opposite
Channel: Doubtnut
Date: 26/07/2020

From a tower of height `40 m`, two bodies are simultaneously projected horizontally in opposite direction, with velocities `2 m s^-1 and 8 ms^-1`. respectively.  The time taken for the velocity vectors of two bodies to become perpendicular to each other is :