A body thrown vertically up with a velocity u reaches the maximum height h after T second. Correct statement among the following is

Options

A. at a height `h//2` from the ground its velocity is `u//2`
B. at a time T its velocity is `u`
C. at a time `2T` its velocity is `-u`
D. at a time `2T` its velocity is `-6u`

Answer

C

Explanation

After a time `2T` body returns to the point of projection with the same velocity in opposite direction.