An object is projected horizontally from a top of the tower of height h. The line joining the point of projection and point of striking on the ground makes an angle 45^@with ground, then with what velocity the object strikes the ground

An object is projected horizontally from a top of the tower of height

1.	An object is projected horizontally from a top of the tower of height h. The line joining the point of projection and point of striking on the ground makes an angle 45^@with ground, then with what velocity the object strikes the ground
Answer» `SQRT((11gh)/(2))` `sqrt((9gh)/(2))` `sqrt((7gh)/(2))` `sqrt((5GH)/(2))` ANSWER :D