Answers to selected questions (click "SHOW MORE"):
1a 2 F_A=F_B=7.07 lb, F_C=((-7.07)^2+12.93^2)^.5=14.7 lb
Contact info: Yiheng.Wang@lonestar.edu
What's new in 2015?
1. Closed-caption made by myself! -- not the automatic subtitle anymore.
2. Learning objectives added for each video.
3. Quiz questions added -- including end-of assessment questions and preparatory, exploratory questions.
4. Mistakes fixed and cleaned up.
5. New examples/contents for selective videos.
My old videos and playlists will st
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