Final answer:
The ball will rise to a height of 10.0 m above the level where it leaves your hand.
Step-by-step explanation:
The ball will rise to a height of 10.0 m above the level where it leaves your hand. The time for projectile motion is determined completely by the vertical motion, and using the given information, we can calculate that the ball spends 3.96 s in the air.
Learn more about Vertical motion of a projectile