Deadly Pez Dispenser. Team Members Quincy Beasley Quincy Beasley London Webb London Webb Joel Fugate Joel Fugate Michael Bettis Michael Bettis.

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Presentation transcript:

Deadly Pez Dispenser

Team Members Quincy Beasley Quincy Beasley London Webb London Webb Joel Fugate Joel Fugate Michael Bettis Michael Bettis

Purpose The purpose of project is to rapidly dispense candy. Conservation of energy is used to make 2 ping pong balls hit a mouse trap that will release candy. The purpose of project is to rapidly dispense candy. Conservation of energy is used to make 2 ping pong balls hit a mouse trap that will release candy.

Demonstration

Energy Conversions Summary of Energy Conversions Summary of Energy Conversions Step 1 : Ping pong ball rolls down first pvc pipe Step 1 : Ping pong ball rolls down first pvc pipe Height above ground to center of pvc pipe – 17.5 inches Height above ground to center of pvc pipe – 17.5 inches Distance till impact with second ping pong ball – 2.5 inches Distance till impact with second ping pong ball – 2.5 inches Gravitational potential energy  Kinetic energy Gravitational potential energy  Kinetic energy mgh =.5mv^2 + mgh mgh =.5mv^2 + mgh (386.4 inches/sec^2)(17.5 inches) =.5v^2 + (386.4 inches/sec^2)(15 inches) (386.4 inches/sec^2)(17.5 inches) =.5v^2 + (386.4 inches/sec^2)(15 inches) (masses cancel) (masses cancel) V= inches/sec (3.66 ft/sec) V= inches/sec (3.66 ft/sec) Step 2 : Ping pong ball hits other ping pong ball Step 2 : Ping pong ball hits other ping pong ball Mv1 + mv2 = mv1’ + mv2’ Mv1 + mv2 = mv1’ + mv2’ inches/sec + 0 = 0 + v2’ inches/sec + 0 = 0 + v2’ inches/sec = v2’ (masses cancel) inches/sec = v2’ (masses cancel) Step 3 : Ping pong ball hits mouse trap Step 3 : Ping pong ball hits mouse trap Height of mouse trap -.75 inches Height of mouse trap -.75 inches Initial Kinectic energy + Gravitational potential energy  Kinetic energy Initial Kinectic energy + Gravitational potential energy  Kinetic energy.5mv^2 + mgh =.5mv^2 + mgh.5mv^2 + mgh =.5mv^2 + mgh.5(43.95 inches/sec) ^2 + (386.4 inches/sec^2)(15 inches) =.5v^2 +.5(43.95 inches/sec) ^2 + (386.4 inches/sec^2)(15 inches) =.5v^2 + (386.4 inches/sec^2)(.75 inches) (386.4 inches/sec^2)(.75 inches) V= inches/sec (9.48 ft/sec) V= inches/sec (9.48 ft/sec)