von Ann D
•30. Jan. 2017
Shame on you University of Houston System
I did the first three lessons, which are less than average, then went on to quiz 1, after completion, a window appeared to ask me for money to get my results! This information should have been provided when I enrolled! I find that very mis leading.
von Siddharth K
•1. Mai 2016
Great review for the AP Physics 1 exam!
von Nakul S
•15. Juli 2017
Helped me sooooo much!!! Great for high school physics.
von li w
•15. Mai 2016
nicenice
von Maestro S
•18. Dez. 2016
amazing
von HowardZhou
•15. März 2016
Too much question and it takes me too much time on it
von Lane W
•14. Aug. 2017
There are few mistakes in the video.
von Aidan H
•31. Okt. 2016
Some content on quizzes wasn't covered in the videos