A body is projected vertically up with a velocity $v$ and after some time it returns to the point from which it was projected. The average velocity and average speed of the body for the total time of flight are
A body is projected vertically up with a velocity $v$ and after some time it returns to the point from which it was projected. The average velocity and average speed of the body for the total time of flight are
- A
$\vec v/2\,$and $v/2$
- B
$0$ and $v/2$
- C
$0$ and $0$
- D
$\vec v/2$ and $0$
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