The oxygen atom in a water molecule has the greatest and or highest electronegativity, it has the greatest ability of all of the elements in a water molecule, 2, to pull electrons closer towards its own atom.
You will see some thing pitch black pulling you. you will feel an immense pull or attraction while going rapidly inside the black hole.
Answer:
15.68 m/s
Explanation:
Given that,
She catches the ball 3.2 s later at the same height from which it was thrown.
When it reaches the maximum height, its height is equal to 0.
It will move under the action of gravity.

2 here comes for the time of ascent and descent.
So,

So, the initial upward speed of the ball is 15.68 m/s.