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2010 Summer Meeting

2011 AAPT Summer Meeting
July 30-August 3, 2011
Omaha, Nebraska

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CF04:

Student Projects with Video Analysis
  Location: SS Ballroom ABC
  Date: Monday, Aug.1
  Time: 7:40 PM -7:50 PM
  Author: Aaron Titus, High Point University
336-841-4668, atitus@highpoint.edu
  Co-Author(s): Shawn Sloan , Luke Grome , Mary Funke , Nikki Sanford
  Abstract: Using video analysis software such as Tracker and inexpensive high-speed video cameras, students can do very interesting projects at the introductory level. In this presentation, I will demonstrate two projects completed by students in my introductory calculus-based physics class. (1) High-speed video analysis of a soccer ball kicked with backspin was used to measure the force and torque on the soccer ball by the foot. The force and torque were used to calculate how far off center the foot impacted the ball, i.e. the moment arm. (2) A mechanical device was used to model a hula hoop rotating around a person's arm. High-speed video analysis of a hula hoop rotating on the device showed that a point on the hoop travels in a spiral-like path. A graph of x-position vs. time for a point on the hoop was a sum of two sine curves of similar frequencies, similar to a beat pattern in acoustics.
  Footnotes: None
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