1. The problem statement, all variables and given/known data Find the max height of a projectile fired at an angle of 30 degrees if it's inital speed is 0.714m/s. (this is a lab so I have other data that might be needed) 2. Relevant equations V22=V12+2ad 3. The attempt at a solution V22=V12+2ad 0=(0.714sin30o)2+2(-9.81)(d) d=19.62-0.127449 d=19.49m Now this answer is not practical at all. There is no way my projectile went that high. Maybe a couple meters, but not 19.5m. Where did I go wrong?