Wednesday, 22 May 2013

Ha....funny :))


Ha....funny :))

2 comments:

  1. Actually, he's curious about something interesting:  How well does Newton's Cradle work with little boys and girls (i.e.,  when mass isn't distributed so spherically or set so solidly)?

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  2. he must study impact in real ,
    they are all smashed , elastic is absent .

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