A particle is projected from ground from O with speed 20 m s

Last updated: 6/10/2023

A particle is projected from ground from O with speed 20 m s making an angle 45 with ground Two high smooth and vertical walls are present one 10m ahead and other 15m behind the point of projection If collision of the particle with the walls are perfectly elastic then where will the particle land from the point of projection 1 5m ahead 2 5m behind 3 10m ahead 4 10m behind