Reading: Look at the definition of average velocity on p.22
Pre-Reading question: You drive 4.00 mi at 30 mi/h and then another 4.00 mi at 50.0 mi/h. Is your average speed greater than, less than or equal to 40.00 mi/h?
Quiz Review Video:
After reading question: A girl walks 5 meters north and 12 meters east. What is her displacement (include a number and direction)?
Practice Quiz: Try questions 8-11 on this web page: http://wps.aw.com/aw_walker_physics_4ap/111/28493/7294290.cw/index.html