Recent content by Harrison Gillis

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    Designing an adjustable catapult for multiple targets

    We get to choose our projectile, I'm thinking golf ball or marble. For the targets on walls, correct me if I'm wrong, but couldn't I use h(t) = (1/2)at^2 + vt + h and find my two points at which h = target height and omit the incorrect one?
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    Designing an adjustable catapult for multiple targets

    I was planning on using bungee cords. I have looked online but most are not adjustable. Some targets will be on the ground, some will be on a wall. As for which would be easier I'm not sure. I could use a force spring to measure my Newtons but that would be an approximate force.
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    Designing an adjustable catapult for multiple targets

    For my term project we were challenged to build a catapult that can be adjusted to hit 3 pre-determined targets, and 3 surprise targets. I have come up with a design, but I'm not sure it's the most effiecient materials wise. I also would like some insight on the design.I believe I should stop...