A ball is thrown upwards. What is its maximum height? Its initial vertical speed is 11.1m/s and the acceleration of gravity is 9.8m/s squared. Neglect air resistance. Answer in units of m.

What's your attempt?

What's your attempt?

Try #1: 114200

9/16/12 12:34 PM
Try#2: 10.34

9/16/12 12:50 PM
Try#3: 9.2026

9/16/12 1:57 PM
Try#4: 0.01034

9/16/12 2:00 PM
Try#5: 0.02069

9/16/12 2:16 PM
Try#6: 3.21

With all calculations please.