A water bgarrel having water up to a depth d is placed on a table of height H. A small hole is made on the wall of the barrel at its bollom. If the stream of water comiong out of the hole falls on the ground at a horizontal distance r from the barrel, then the value of d is

Options

A. `(4H)/(r^(2))`
B. `4Hr^(2)`
C. `(r ^(2))/(4H)`
D. `(H)/(4r^(2))`

Answer

C