A truck traveled along the National Highway from Calbayog to Oquendo which has a distance of 35 km. for 30 minutes. After delivering some materials, the driver rested for a while then drove back straight to Calbayog. The trip back took him 25 minutes. What is the average speed from Calbayog to Oquendo?What is the average velocity from Calbayog to Oquendo?
average speed=distancetraveled/timetraveling
70km/55min
average velocity=displacement/time=0/55min