Monday, May 5, 2014

Understanding projectile motion models

This project is focused on seeing how projectile motion is used in digital media as well as common experience.  You must complete all projects, and put a screen shot of each data analysis in a shared Google folder.

Throughout this effort, you will need to use Vernier Logger Pro, the web cam, and/or http://www.screencast-o-matic.com/screen_recorder 



Part 1:   Take a video of your partner shooting a paper wad into the wastebasket.   You must be at a right angle to the person so you can see the entire arc of the parabola.  Analyze it using the Logger Pro.  Fill out the 15 variable chart, indicating on the screen shot where you started and ended the parabola.

Part 2:  Analyze the parabolic motion on a cartoon.  This is a great opportunity to use screencast-o-matic and a youtube video in conjunction with video analysis.  Again, fill out the fifteen variable chart.

Part 3:  Build a catapult capable of CONSISTENTLY hitting a sheet of typing paper from a distance of 3-5 meters.  You will calculate the range, v(i) in both directions, and maximum y-displacement.  You will be graded on the number of hits in 6 trials.

Part 4:  Analyze a video game physics engine to decide if the game is realistic or not.   The game must be approved by me in advance.

Part 5:  Go to http://phet.colorado.edu/en/simulation/projectile-motion and launch the applet.  Provide evidence (screenshots) to answer the following questions:

1.  How does air resistance change the path of a projectile?
2.  Shoot a single projectile at the same speed, but at 20, 30, 60, 70 , and 80.  Use this information in some way to determine the maximum range of a computer.

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