(a) If an electric car is capable of going 225 km on a single charge, how many charges will it need to travel from Seattle, Washington, to San Diego, California, a distance of 1257 mi, assuming that the trip begins with a full charge?
(b) If a migrating loon flies at an average speed of 14 m/s, what is its average speed in mi/hr?
(c) What is the engine piston displacement in liters of an engine whose displacement is listed as 450 in.3?
(d) In March 1989 the Exxon Valdez ran aground and spilled 240,000 barrels of crude petroleum off the coast of Alaska. One barrel of petroleum is equal to 42 gal. How many liters of petroleum were spilled?