A commander fires a shell at certain angle of projection

Last updated: 6/10/2023

A commander fires a shell at certain angle of projection from A which clears the building cuboid of dimensions 20 x 15 x 12 5 m in it s diagonal plane Shell just clears the roof diagonally at points P and Q and falls on the other side of the building at B and makes 45 angle with horizontal at P and Q as shown in the figure If the range AB of the shell is Nx 3 metre then find N g 10 m s A P450 15 m 20 m 12 5m B