Check out the video links below for more examples on volumes of solids formed by
revolving a region about a vertical line.
http://www.youtube.com/watch?v=fNhLphUjXus
http://www.khanacademy.org/math/calculus/solid_revolution_topic/disc-method/v/washer-or-ring-method-for-vertical-line-rotation
Homework: Complete 1 - 4 parts a - f and 5 - 7 parts a - b.
Tomorrow please turn in WS 6.2, book 6.2 & 6.3.