My dad made me practice for the up coming math contest. The first two pages of the previous grade tests (my dad downloaded all of the Gauss contests from the previous years) were super easy and I was done in like ten minutes. But the last page is always killer == The most I could answer was three out of the five questions... The rest my dad helped me... Man I suck. Well I figured out a forth question, but that took me another half an hour...
I made another google sketch-up model of our launcher, but it's kind of hard making a sphere on a tilt if you know what I mean. I tried alot of times, but I eventually gave up and stuck with a ping pong ball that looks like it was partly cut into the bottle cap...
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