To answer the first question quite simply, gravity is a force, but g is the acceleration due to gravity. The force of gravity itself is measured in Newtons, measured quite differently from acceleration.
You'll be fine if you choose to take calculus courses, given that you understanding the main concepts. C's and B's can just be a result of carelessness, obviously something you need to fix.
However, what is most important is the ability to understand new concepts, apply them, and be able to...
Perhaps this is a dumb question, but why do we use the inequality |f(x)-L|< E rather than |f(x)-L|≤ E ? If we are trying to get within Epsilon of our limit (L) than why not fit the mark exactly?
I'm pretty sure, Choppy, including the time dedicated to your final, *original* research thesis, your total grad school time is at least 5 years, maybe 6. If you (Mzachman) check out the American Institute of Physics website (aip.org) mouse over the Physics Resources tab and click on Statistical...
I did a little research myself, and as you stated, Medical Physicists tend to make MUCH more than your average R&D physicist in another area. Plus, because of it being the mean value, a low salary of some other physicist and the higher salary of a Medical Physicist would average to about 80k or...