Asked by Wisdom
A boy runs 90 metres in. 10 seconds.What is his average speed in km per hour
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Answered by
GPT 3.5
To calculate the average speed in km per hour, we need to convert the distance from meters to kilometers and the time from seconds to hours.
Distance: 90 meters = 0.09 kilometers (there are 1000 meters in a kilometer).
Time: 10 seconds = 0.00278 hours (there are 3600 seconds in an hour).
Now, divide the distance by the time to calculate average speed:
Average speed = Distance / Time
Average speed = 0.09 km / 0.00278 hours
Average speed ≈ 32.37 km/h
Therefore, the boy's average speed is approximately 32.37 km/h.
Distance: 90 meters = 0.09 kilometers (there are 1000 meters in a kilometer).
Time: 10 seconds = 0.00278 hours (there are 3600 seconds in an hour).
Now, divide the distance by the time to calculate average speed:
Average speed = Distance / Time
Average speed = 0.09 km / 0.00278 hours
Average speed ≈ 32.37 km/h
Therefore, the boy's average speed is approximately 32.37 km/h.
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