demonstrations_3a1_mechanics_3a1g_newtons_second_law_3aweight_dropping_in_the_water_tube_3astart
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- Date:
- 2010/05/02 11:31
- Filename:
- img_2086.jpg
- Format:
- JPEG
- Size:
- 33KB
- Width:
- 1024
- Height:
- 768
- Camera:
- Canon Canon PowerShot S50
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- Pre-amp