Recent content by sxr001

I know this is from a few years ago, but can someone explain to me why that bottom friction force is pointed up the plane. It seems strange...

When asked to show his work on the problem, prabhat rao posted someone else's solution. Here is the proof of my claim: http://lofi.forum.physorg.com/problem-concerning-atwwod-machine_13396.html He asked the same question on another forum and claimed another user's work as his own here on pf.

Thank you Kreil, that does help a lot. I hadn't thought of using conservation of energy. :)

For next year's Physics Open House the Department is planning to set up a bungee jump from the top of the physics building. Assume that one end of an elastic band will be firmly attached to the top of the building and the other to the waist of a courageous participant. The participant...

Thanks, Evo and Math Is Hard. I am certainly flattered.

http://www.fixnerd.com/pf1.jpg http://www.fixnerd.com/pf2.jpg These are posted in the physics building and University of California Davis.