question_answer

When a person leaves his home for sightseeing by his car, the meter reading is 12352 km. When he returns home after two hours the reading is 12416 km. What is the average speed and average velocity of the car during this period?

Answer:

Here difference of metre reading gives the distance covered by the car. \[=12416km-12352km=64km\] \[\therefore Average\,\,speed={{V}_{ave}}=\frac{64km}{2hr}=32km/hr\] Since he returns back home, the displacement is zero. Therefore average velocity of the car is zero.