7. A Bicycle Ride A cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km. Finally, they ride east for 16 km, which takes 40 minutes. a. Make a vector representation for the displacement of each leg of the journey. Use a ruler to ensure they are to scale for full credit. b. Use the the geometric manipulation of vectors to find the total displacement vector for the cyclist trip. c. What is the final displacement of the cyclist? Explain how you arrived at your answer to earn full credit. d. What is their average velocity