User contributions for Yu Kwong Sin

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A user with 1 edit. Account created on 14 September 2012.
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31 October 2012

  • 20:2920:29, 31 October 2012 diff hist +786‎ Nm Talk:Main Page ‎ Created page with "== Momentum Not Conservation Principle == Abstract: Momentum is not conserved, the momentum conservation law is wrong. Socalled internal force is equal and orientation reverse g..."
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