Physics teacher Definition and 52 Threads

he gave me an assignment about Pendulums and Harmonic motion. He gave us notes on vocab words we would need to know like; Bob, Equilibrium, period, frequency, and oscilation. he also told us that Period is unaffected by height of drop. That Length is directly proportional to Period. and Length...

My Physics teacher wanted me to understand how to derive a=v^2/r using the equations v=d/t, \omega=\theta/t and arc length=r\theta but when it came down to it, i had brain freeze..and when my teacher looked at it, he had brain freeze. This isn't part of my syllabus but i was wondering how you...