A car races at a constant speed of 25 m/s around a circular track with a radius of 150 meters. Consider 1/4 of a lap starting on the south side (heading east) and ending on the east side (heading north).
A. how much time does the car take to travel between the two points?
B. what is the displacement between the starting and ending points?
C. what is the average velocity? D. What is the change in velocity? What is the average (vector) acceleration? PLEASE SHOW ME HOW YOU DO IT, NOT JUST ANSWERS!