so far i have found the problem for when the tire is before the bump and during but i am having trouble with finding after it always turns out to be equal to the before so im looking for someone to check my work. to save time i scanned the problem and all of my work and put it on photobucket so any help would be great.

here are the links

http://i1199.photobucket.com/albums/...238problem.jpg

http://i1199.photobucket.com/albums/.../mathstuff.jpg

http://i1199.photobucket.com/albums/...mathstuff0.jpg

http://i1199.photobucket.com/albums/...mathstuff2.jpg

thanks for the help