I wrote:
> He figures 1 m of hose has 0.051 square units of surface, which I guess are > supposed to be square meters. Anyway, I get 0.24 m^2. Pretty sure that's > right. > Oops. Sorry, you are supposed to use the radius, not the diameter. Radius is 1.85 cm (assuming GoatGuy is right about the OD) so surface area is 0.12 m^ per meter of hose. - Jed
