A car travels at a speed of 80 km/hr for 15 minutes and then at a speed of 40 km/hr for next 15 minutes. The average speed of the car is
Average speed=Total distance travelledTotal time =80×14+40×1424=30×2=60km/hr
A car moves with a speed of 40 km/hr for 15 minutes and then with a speed of 60 km/hr for the next 15 minutes. What is the total distance covered by the car? Also, find the average speed of the car. [5 MARKS]
If a car travels first 40km at speed of 20km/h and next 80km at a speed of 40km/h. What is the average speed of car for entire journey?