Professor Boyd Tolton of the University of Toronto has posted these pages giving course notes, problem sets, and solutions (.pdf). The problem sets are printer-ready. The course deals with topics such as satellite orbits, radiative transfer, and remote sounding. This is a good resource for a college student seeking practice problems.

Hyperphysics is "a broad-ranging interactive physics exploration environment which is written in HTML with Javascript calculation routines." It was developed by Professor Rod Nave of Georgia State University and is available online as well as on CD-ROM. An excellent resource for physics educators and students, HyperPhysics gives flashcard-like summary pages for a huge array of topics in physics....