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Projectile Launcher Mini Project

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Projectile Launcher Mini Project 10/22/13 Bellwork If you are only given time (t) and range (dx) how can you find vy? Projectile Launcher Mini Project 10/22/13 ... – PowerPoint PPT presentation

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Title: Projectile Launcher Mini Project


1
Projectile Launcher Mini Project
  • 10/22/13

2
Bellwork
  • If you are only given time (t) and range (dx) how
    can you find vy?

3
Projectile Launcher Mini Project
  • 10/22/13

4
Objective
  • Objective To launch an unmodified cotton ball
    to a target that is 1.50 m away

5
Materials
  • file folder
  • 1 piece of cardboard
  • 5 index cards
  • 5 paper clips
  • 2 rubber bands
  • 50 cm of string
  • 200 g mass
  • masking tape
  • scissors
  • ruler

6
Requirements
  • Free standing and movable
  • Only can use materials given
  • Masking tape (adhesive use sparingly)
  • Scissors and ruler (for construction only)
  • Will be launched from the floor
  • Group number and names
  • NO trigger needed

7
Design Phase
  • On a piece of paper draw or sketch your proposed
    mini project with a 5 sentence description (1 per
    group).
  • When your group has a design show Mr. Z. to
    collect your materials.
  • Materials 5 index cards, file folder,
    cardboard, 200 g mass, 5 paper clips, 2 rubber
    bands, 50 cm of string, masking tape (adhesive
    use sparingly), scissors ruler (for
    construction only), and nothing else.

8
Construction Phase
  • Free standing and movable
  • Only can use materials given
  • Masking tape (adhesive use sparingly)
  • Scissors and ruler (for construction only)
  • Will be launched from the floor
  • Group number and names
  • NO trigger needed
  • You will have three tries to hit the target
  • Hint Your firing a cotton ball!

9
Testing Phase Tomorrow
  • Distance is measured from where it lands from the
    target

10
Clean-Up Phase
  • Return any unused materials AND masking tape,
    scissors ruler to side counter
  • Place launcher in the cabnet and make sure lab
    area is clean

11
Projectile Launcher Mini Project
  • (Day 2)
  • 10/23/13

12
Bellwork
  • Who are the targets for the projectile projects?
  • Mr. Z. will check off the homework

13
Testing
  • Your group will be given 1 cotton ball to test
    with at your lab bench (lengthwise is 1.50 m)
  • You will have 15 minutes to make any adjustments
  • You will be given 1 new cotton ball for the final
    test

14
Data Collecting
  • Mr. Z. will measure the distances
  • The On-Deck group will be given stopwatches to
    time how long the ball in in the air for
  • You need to collect data for every group even
    your own

15
Clean-Up
  • Masses, scissors, tape, rulers, etc. back to the
    cart
  • Stopwatch back in the bin
  • Launcher in the trash or take home

16
Projectile Launcher Mini Project
  • (Day 3)
  • 10/24/13

17
Bellwork
  • How far is CDO bear (the target) going to
    placed from the launching zone?
  • 15.0 m (49.2 ft)

18
Projectile Project
  • Have to hit the target from the air, NOT rolling
    along the ground
  • 50.0 cm3, before launch
  • If you are over then it will be launched at the
    end
  • You may set it manually,
  • after it is locked into place
  • then only mechanical power

19
Calendar
  • Today Finish the Mini-Project
  • Fri. 10/25 Work day for the project or review
  • Mon. 10/28 Launching Day
  • Wed. 10/30 Review is due
  • Thur. 10/31 Projectile Test Part 1 Multiple
    Choice and Short Answer
  • Fri. 11/1 Projectile Test Part 2 Projectile
    Problems
  • Mon. 11/4 Projectile Project Calculations and
    Analysis due (New due date!)

20
Projectile Mini-ProjectCalculations (In
T-Charts)
  • Using your groups data (or another groups) for
    each trial (3 total) find
  • a) Find the tennis balls horizontal velocity
  • b) Find the tennis balls vertical velocity
  • c) Find the tennis balls max height
  • d) Find the tennis balls resultant velocity

21
Conclusion (In paragraph form)
  • What was your furthest distance?
  • How close were you from the target?
  • How successful was your design?
  • What problems did you encounter, during
    construction and launching?
  • What would you do differently if you did this
    again?
  • How did this activity help you with the project?

22
(No Transcript)
23
Make-Up Assignment
  • Research five past designs to launch projectiles.
    (These can include non-mechanical designs.)
  • Write a page (handwritten) in paragraph form that
    includes
  • Five different designs that you have researched.
  • The history of the designs.
  • What is the purpose of these designs?
  • Provide a summary on how these helped with your
    pro.

24
Reflection Phase 2012 version (In complete
sentences.)
  • 1) What was your furthest distance?
  • 2) How close was this to your prediction?
  • 3) What worked well for your design?
  • 4) What problems did you encounter?
  • 5) What would you do differently if you did this
    again?
  • 6) How did this activity help you with the
    project?
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