A car travels at a velocity 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car.
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Answer:
I think that the answer is 60
Explanation:
the average velocity of ${v_{avg}}$ is the rate of the total distance traveled with respect to the total time. A car travels at a speed of 80 km/h during the first half of its running time and at 40 km/h during the other half, then the average speed of the car $60km/hr$.
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