Answer to Question #1009 in Mechanics | Relativity for sabeen
In 1271, Marco Polo departed Venice and traveled to Kublai Khan's court near Beijing, approximately 7900 km away in a direction we will call positive. Assume that the Earth is flat (as some did at the time) and that the trip took him 4.0 years, with 365 days in a year. (a) What was his average velocity for the trip, in meters per second?
The average velocity is v = 7900/(4*365) = 5.41 km / day = 0.062 m/s.