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Video Analysis

February 20, 2013

This year I have been doing a lot of video analysis with my conceptual classes, compared to previous years. In previous years the conceptual classes had their first experience with video analysis when we introduced projectile motion. This year they have already analyzed two accelerating systems using video analysis on Vernier’s LoggerPro. They’ve had to learn to put in a scale, set their axes at an appropriate angle, and place their dots carefully in order to get decent data. They have practiced finding the slope of velocity vs. time graphs, over and over. So doing video analysis on a video projectile is no sweat. I took a class into a computer lab this morning and in half a period they had all their data and had exported it into Excel. I’m very pleased. They spent the rest of the period exploring projectile motion using PhET. They took some data from the simulation as well, so we will have a lot of information to play with over the next two days!

In a week or so the conceptual students will have to do video analysis of a projectile in a video game, to test the game’s realism. I’m really looking forward to it!

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