On 21-Feb-14 4:51 PM, Charles Haynes wrote: >> > the fuel efficiency of a car is often expressed as litres of petrol per >> > 100km, right? litres of petrol per 100km is length^3/length = length^2. >> > What is the "real world" significance of this area? >> > > It's the area of the column of fuel necessary and sufficient to keep the > car moving.
Now that there's no danger of spoilerage, the obligatory xkcd link: https://what-if.xkcd.com/11/ Udhay -- ((Udhay Shankar N)) ((udhay @ pobox.com)) ((www.digeratus.com))
