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One Ball & Two Cups

One Ball & Two Cups. By: Matthew Iannacone Brandon Waller Christopher Jones Sammy Akato. The Design. Design consists of a spring launcher to launch a marble into a cup, which rotates and drops the marble onto a series of declining PVC tracks.

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One Ball & Two Cups

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  1. One Ball & Two Cups By: Matthew Iannacone Brandon Waller Christopher Jones Sammy Akato

  2. The Design • Design consists of a spring launcher to launch a marble into a cup, which rotates and drops the marble onto a series of declining PVC tracks. • There is a cup attached to a stamp on a hinged arm at the end of the last PVC track, which the marble knocks over ,stamping the paper.

  3. Energy Used • Spring -Elastic Potential Energy transferred to ball’s Kinetic Energy • Ball -Gravitational Potential Energy decreases as Kinetic Energy increases • First Cup -Conservation of momentum • Ball, Stamp, and Cup -Conservation of momentum

  4. Construction Issues • The biggest problem was getting the ball to shoot into the cup and turn it • The other most significant problem was making sure the hinged arm functioned properly

  5. Conclusions • Our design successfully and consistently stamped the paper • Practice makes perfect when dealing with projectile motion and targets • Hinges can become stiff if screwed in too tightly • Mouse traps with stamps attached are very effective (This is what everyone else did)

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