Question

khan academy interesting
.. it has free lectures though quality is good

Answer 1

Yup, check out MIT OCW and Yale free courses as well. Walter Lewin and Ramamurti Shankar are amazing teachers.

Answer 2

I am watching.. yale..it is 5 years away from my physics lectures and college and ya he reminds me a lot

Answer 3

And if you want a great set of math notes check out Paul's Online Math Notes, I taught myself quite a bit through here (though it's not as thorough as OCW). You can take your time with each section and the explanations are very down-to-earth.
http://tutorial.math.lamar.edu/