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## Homework Statement

So I am doing a trajectory lab. I take a ball and release it from the ramp that is on the table and then measure the distance. The thing is when I graph the angle of the ramp vs the distance the ball has fallen I get parabola. And the correlation of parabola is 0

## Homework Equations

Parabola has correlation 0. I compared the distance I got with trajectory equation.

## The Attempt at a Solution

.[/B]so what I found if just the angle for which the ball flies the farthest. Could I say that because the correlation is zero the lab was accurate? Or because the correlation is o i had collected bad data?

Any help appreciated.

Thanks