PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A car travels along a straight road, covering several segments, and finally returns to its starting point after 90min. Which one of the following statements is true about the car’s average velocity for the entire trip?
(a) It equals the total distance divided by the total time.
(b) It equals the average speed because the motion was along a straight line.
(c) It is zero because the net displacement is zero.
(d) It is non-zero because the car was moving for 90min.