A man standing on the roof of a house of height h throws one particle vertically downwards and another particle horizontally with the same velocity u . The ratio of their velocities when they reach the earth's surface will be

Options

A. `sqrt(2gh+u^(2)):u`
B. `1:2`
C. `1:1`
D. `sqrt(2gh+u^(2)):sqrt(2gh)`

Answer

C