Recent content by keydetpiper

In my high school physics class the other day the teacher botched an example problem involving sound level (decibels). Homework Statement A single sound source produces 105 dB at a distance of 5.0 m. How far away must the observer be to not hear this sound at all? Homework Equations...

Yeah, ok thanks. Don't know why I couldn't see it before... I was thinking it would start to slow down as soon as the spring starts putting a force on it. I get it now, thanks for your response!

[SOLVED] Help on an AP exam problem I teach AP physics in high school and encountered this problem, from the 1982 AP Physics C exam. http://keydetpiper.com/Misc/1982C.html" has a link to the original problem (#2) and the official solution. My question is regarding part c: how is it possible...