Relative motion made real (Journal Article)
Material type:
TextSeries: American Association of Physics Teachers ,American Institute of Physics, Volume 61, Issue 6Publication details: Washington , DC American Association of Physics Teachers September 2023Description: 534–535 pISSN: - 0031-921X
- 530.071
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RIE BPL Library | 530.071 (Browse shelf(Opens below)) | Not for loan |
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Abstract-
Smartphones have become widespread, and students carry them every day into the classroom. This pocket-size computer packed with sensors can contribute to an improved teaching of physics.1 In this experiment, making use of its portability and camera features, we suggest the use of a moving smartphone camera and subsequent video analysis2,3 to help the students see the world via the eyes of a moving observer and assess trends in position, velocity, and acceleration as a function of time.
The experiment consists of setting two carts in parallel motion and filming the movements, simultaneously with a fixed smartphone and with a moving smartphone riding along one of the carts (Fig. 1).
The video is processed in a computer, using Tracker,4 or with a smartphone, using VidAnalysis.5 To perform the video analysis, one needs to set the orientation and the origin of the reference axes. In addition,...
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