• The needed physical dimensions for the track based on the different
wavelengths is given below in section 4.
• What kind of function appropriately models a spiral track? How do you
find its length?
• Can you think of other ways to model the length of a spiral, in particular,
ways for which the length is easy to compute? What about a series of
concentric circles? What about a direct relationship between the cross
sectional area of a roll of toilet paper and the total length of the roll?