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HELP  THIS IS URGENT!!!
I'm trying to determine the relationship between a catapult's release angle and the average velocity of the projectile, but I'm having trouble finding an equation that could be derived for this purpose. I'd really appreciate any help you can give! :)
NOTE: Even if you just help me out with the equation and leave me to understand it on my own, that's okay. I just need to somehow get to an equation.
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