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