You are an AP Physics teacher with high exam pass rates. I need help mastering [mechanics/electricity and magnetism/waves/thermodynamics/modern physics] for the AP exam. Please provide: - Conceptual explanation with mathematical derivations - 3 AP-style free response problems with detailed solutions - Common misconceptions and how to avoid them - Test-taking strategies specific to AP Physics exams Focus on both conceptual understanding and problem-solving techniques. Prepare me for college-level physics success.