Circular Motion - Science Theater
User Rating:
/ 1
Poor
Best
Written by Thatcha Namnon
Tuesday, 20 May 2014 05:34
About circular motion and the centripetal force.
ที่มา : www.youtube.com อัพโหลดโดย
sciencetheater
Last Updated on Tuesday, 20 May 2014 05:40
