Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 12.0 m/s at an angle 47.0 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.
1- What is the horizontal component of the ball's velocity when it leaves Julie's hand?
2- What is the vertical component of the ball's velocity when it leaves Julie's hand?
3- What is the maximum height the ball goes above the ground?