創建者 Ann D
•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.
創建者 Nakul S
•Helped me sooooo much!!! Great for high school physics.
創建者 Siddharth K
•Great review for the AP Physics 1 exam!
創建者 li w
•nicenice
創建者 Maestro S
•amazing
創建者 HowardZhou
•Too much question and it takes me too much time on it
創建者 Xiaolu W
•There are few mistakes in the video.
創建者 Aidan H
•Some content on quizzes wasn't covered in the videos