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## Homework Statement

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)

## Homework Equations

V

_{2}

^{2}=V

_{1}

^{2}+2ad

## The Attempt at a Solution

V

_{2}

^{2}=V

_{1}

^{2}+2ad

0=(0.714sin30

^{o})

^{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?