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Kiffin’s Crazy Coaster
By Orazi’s Angels
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Orazi’s Angels
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Introduction Our goal was to build a better roller coaster
“flamboyant” “15 seconds” Purchased: Styrofoam, pipe insulation, dowels Free: Funnel, Wood Scraps, PVC pipe, yarn Est cost: $15.50
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How it works Marble is released by hand at top Hops a gap (TWICE!)
Enters vertical tube, rolls to bottom of coaster Ball enters box, tugging a string, releasing new ball Funnel Exits funnel, reverses direction Coaster concludes at 15 seconds
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Gravitational Potential Energy to Kinetic Energy
Kinetic Energy to Gravitational Energy to Kinetic Energy
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Gravitational Potential Energy to Kinetic Energy
Kinetic Energy to Work Energy
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Conclusion Time: spent 4-6 hours in construction Problems
Exploring/testing new ideas Increasing predictability, reliability Securing/Fastening Problems Meeting 15 second mark Securing existing track when making additions Ramps, landings
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