Question

An object is thrown vertically upwards with a speed u .what is the velocity when the object is at its highest position and just before reaching the ground?

Answer 1

At highest point the velocity of ball become 0 and just before reaching the ground its value become √2gh in downward direction

Answer 2

Here, particle move in speed u in upward direction. And, when it reach at highest point at first it becomes at rest position and it will drop down and we know when any object becomes at rest position then its velocity is 0.
So,answer is 0.