Zero Launch Angle Lab We used a spring loaded gun and shot a ball out of it. Here's the data: three trials: 1.78 seconds 1.34 seconds 1.39 seconds the distance traveled was the same for each trial: 2.98 meters the height is 1.04 m FIND: 1. percent error on time. 2. theoretical horizontal avg 3. initial velocity I have no idea how to find what my teacher wants. In fact, no one in my class knows. I need help. Anything is appreciated.