Conceptual physics Centripital force PDF Print E-mail
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Written by Thatcha Namnon   
Tuesday, 20 May 2014 05:32
Demos centripital force by taking a bucket full of water and hurling it over his head and the class.
ที่มา : www.youtube.com อัพโหลดโดย mellenstei
Last Updated on Tuesday, 20 May 2014 05:32
 

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