About

For Teachers

Credits

http://astroacademy.org.uk/resources/collisions/
http://www.opensourcephysics.org/items/detail.cfm?ID=14162

sources of errors

1. Tracker model builder has systemic error?
2. video is taken sideways with a slight perspective error that can result in the discrepant data
3. motion is not perfectly in x direction?

i need to analyse the video more in depth.

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