[color=#1551b5][i][b]- GOING FURTHER -[br][br]Yet another characteristic quantity for automobiles comes from the fact[br]burning a gallon of gasoline produces about 20 lbs. of carbon dioxide.[br][How can that be?][br][br]Consider now the following five characteristic quantities[br]- average speed in mi/hr[br]- average fuel efficiency in mi/gal[br]- average fuel cost in $/gal[br]- average weight of fuel (specific gravity) in lb/gal[br]- average weight of carbon dioxide produced per gallon of fuel burned in lb/gal[br][br]How many additional distinct characteristic intensive quantities can you formulate?[br][br]What are they? What are their values?[br][br]To what question(s) is each of these additional quantities a potential answer?[/b][/i][/color]