1. Közösség
2. Study Group
3. New to Khan Academy, where should I look if I need to prepare for these specific topics?

I would recommend covering the relevant topics since this study program you mentioned is aimed at clearing an exam. But to truly not miss anything important, while still following you time-limted s...

1. Közösség
2. Study Group
3. Math to prepare for Physics and Chemistry

Go in all physics course and time the under section you would find and course pre- physics course and pre-chemistry course.