Use the video links below for more examples of the washer method.
http://www.khanacademy.org/math/integral-calculus/solid_revolution_topic/solid_of_revolution/v/solid-of-revolution--part-4
http://www.youtube.com/watch?v=E5OOMbz5jZk
http://www.youtube.com/watch?v=ithgZfRKMHI
http://www.youtube.com/watch?v=lE814ngFt3I
HW: Complete Book 7.2 only 1 - 5 and parts b and c on your WS Revolution of Solids packet on the first 3 pages.