Friday, March 25, 2011

Egg Drop Challenge - interation #1

Total # of Achievements Earned: 25
Idea Generation Achievements:
  • Create a sketch of one possible solution. Include labels
  • Create a sketch of another possible solution. Include labels.
  • Create a sketch of a third possible solution. Include labels.
  • Generate a list of materials required for build day.
  • Document a plan to ensure materials are brought in on block day.
  • Use a decision matrix to justify the approach you chose.
First Solution: 
Second Solution:
Third Solution:
Decision matrix:
Material Prep:
Marco will bring about 8 feet of tin foil and make sure to bring it by writing it in his agenda.

Build Achievements:
  • Your materials fit inside a printer paper box
  • Your materials fit inside a shoe box
  • Your materials fit inside a cigar box
  • Your materials fit inside an Altoids box
  • Your materials weigh less than 500 grams.
  • Your materials weigh less than 300 grams.
  • Your materials weigh less than 200 grams.
  • Your materials weigh less than 150 grams.
  • Your materials weigh less than 100 grams.
  • Your materials weigh less than 50 grams.
Material Size:
Our model can fit inside an Altoids box because a large piece of tin foil is very thin and can be fold many times into a thick small shape.
Drop Achievements:
  • You hit the butcher paper!
  • You hit inside the third ring!
  • You hit inside the second ring!
  • Your egg broke but the yolk remained intact.
  • Your egg cracked but the yolk stayed inside and intact.
  • Your egg cracked but was still together.
  •  Before model was dropped
    Egg after the model was dropped
    Arithmetic:
    115.9g (model with egg) - 67.0g (egg)= 48.9g (model)

    Algebra:
    Vf ^2 = Vi ^2 + 2ad
    Vf = ?
    Vi = 0 m/s
    a = -9.8 m/s^2
    d = 4.37 m
    Vf ^2 = Vi ^2 + 2ad
    Vf ^2 = 0 + 2(-9.8)(4.37)
    Vf ^2 = Vi ^2 + 2ad
    V= 9.255 m/s
    
    Geometry:
    a^2 + b^2 = c^2
    a = 4.37 m
    b = 0.5 m
    4.37^2 + 0.5^2 = square root of 19.3469
    c = 4.40 m

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