AP physics C suggestions..........thanx!

I have signed up for both AP Physics C Mech exam and E&M exam. Now I found that I don't have enough time to study for both exams (2 days left), should I give up E&M and focus on Mech? I felt that E&M is not harder than Mech, but need to remember many equations, which I can't...I felt I learned better in E&M before, but I had learned deeper in Mech (I think) since my teacher took longer time to teach Mech portion...And from statistics release by College Board, less ppl took E&M than Mech in the previous year but more ppl got 4 or 5....

So...should I give up E&M and only study for Mech in the last 2 days in order to get a 4 or 5 on Mech, or should I try both since it's possible that I may do better on E&M??

Thanks for your suggestions.....................

I don't know what equations you are memorizing. There are a few principles to well know....coulombs force, concept of e field, concept of energy in a field, faradays ' law, right hand rules, Gauss' law, wave equations. If you are memorizing equations, you don't understand E&M. Go through the chap summeries on any E&M, if you understand it, take the test. If not, dont.


Right,there are so many rules I need to go over on E&M, actually I don't really really understand some of them since my teacher go through these chapter so fast!
If I use the time of going over E&M to study Mech, will I do better on AP exam Mech?

One final thought: Why are you taking the exam? If it is to skip college physics, I don't recommend that at all. College physics is much more than what AP is. The labs alone in college are weighty material. I assume you are thinking of majoring in engineering or science. You want a first class education, not something based on "test achievement".

If you don't know E&M by now, don't take the exam. Cramming for E&M is not likely to help you on mechanics.

I was thinking of majoring in engineering and actually applied for engineering,but now I really want to change my major after a year's AP physics. It's REALLY HARD. Even though I can get low A or high B in my AP class, but it took me too much time to study for only his subject, I mean, I don't think I will be able to do well in most of my science classes in college, and probably fail...:[
That's why I want to get a high AP score in case I change my mind so I can skip the science class requirment.

Actually you don't need to remember more than a few equations for electromagnetism! Why not come online tomorrow around 7 pm Eastern time and post what kind of problems you need to be able to solve for the exam and what you know and what you don't know well.

asked by Fizzix

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