Water coming out of a horizontal tube at a speed y strikes normally a vertical wall close to the mouth of the tube and falls down vertically after impact. When the speed of water is increased to 2v,

Options

A. the thrust exerted by the water on the wall will be doubled
B. the thrust exerted by the water on the wall will become four times
C. the energy lost per second by water striking the wall will also become four times
D. the energy lost per second by water striking eh wall will be increased eight times

Answer

B, D