Ballistic Demo

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This is a Physics Demonstration for Ballistic motion. It is meant as a teaching tool only. Please use caution Do not aim the Device at people animals or windows . Preparation and equipment: A 3d printer and PLA filamentA Contraction Spring from a Broken umbrella with a spring 2cm Diameter 6cm long (it’s about 50N/m) usually a part of a long grownup umbrella.M4 bolt 4 cm long and a nut.An IKEA L wrench.2X M5 bolts (IKEA) 2 cm long.A 20mm ball.A fill and screwdriver. images%2fprofile default


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