Answer :
Final answer:
To calculate the average speed, divide the total distance by the total time. Convert the time from minutes to hours if necessary. In this case, the average speed is 8 km/h.
Explanation:
To calculate the average speed, we use the formula average speed = total distance / total time. In this case, the total distance is 4000 meters and the total time is 30 minutes. We need to convert the time to hours by dividing it by 60. So, 30 minutes = 30/60 = 0.5 hours. Now we can calculate the average speed by dividing the distance by the time: 4000 m / 0.5 h = 8000 m/h. To convert this to kilometers per hour, we divide by 1000: 8000 m/h = 8 km/h.
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