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Water-Logged

Water-Logged. Designed and constructed by: Nick Dement, Eric White, and Jake Shelton. Team Introduction. Team D2-8 Nick Dement Jake Shelton Eric White. Device Design Overview. Materials: Pvc Pipe Wooden Boards Dowel Rods Cups String Rubber Bands Swinging Weight Nails/Screws

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Water-Logged

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  1. Water-Logged Designed and constructed by: Nick Dement, Eric White, and Jake Shelton

  2. Team Introduction Team D2-8 • Nick Dement • Jake Shelton • Eric White

  3. Device Design Overview • Materials: • Pvc Pipe • Wooden Boards • Dowel Rods • Cups • String • Rubber Bands • Swinging Weight • Nails/Screws • Duct Tape

  4. Device Operation • Projectile Motion- Marble & Ramp • C.O.E. (Rotational)- Marble • C.O.ρ. (Linear)- Collisions • C.O.ρ. (Angular)- Weight • Center of Mass- Balances

  5. Device Operation Cont. Calculations Marble Speed at Launch: mgh=½mv²+½Iω² h=.416 ft ω=(v/r) I= ⅖ m(r)² g=32.2 ft⁄s² m(32.2)(.416)= ½mv²+½(⅖m(r)²)(v²⁄r²) (32.2)(.416)= ½v²+½(⅖(r)²)(v²⁄r²) (32.2)(.416)= ½v²+½(⅖)v² V=4.378 ft⁄s Weight Angular Speed at Impact: mgh=½mv²+½Iω² h=.5417 ft I=mr² v=ωr r=.7917 ft m(32.2)(.5417)=½m(ωr)²+½(m(r)²)ω² (32.2)(.5417)=½(ωr)²+½(r)²ω² (32.2)(.5417)= ½(ω)²(.7917)² +½(.7917)²ω² ω=5.275 rad⁄s

  6. Device/Construction Issues • Problems with: • Maintaining stability • Making device repeatable • Getting precisely sized objects to operate machine adequately • “If at first you don’t succeed, try, try again.”-Thomas Palmer

  7. Conclusions • Eventually, our team created a successful device. • The device is repeatable for completing its job, but inefficient and complicated in doing so. • Through trial and error, as well as some calculations, our team produced a working machine and completed the project.

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