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Sagot :
The speed of Nancy who ran a distance of 5 km in 30 minutes is 10000 meters(m) per hour(h).
What is the rate of speed?
The rate of speed is the rate at which the total distance is travelled in the time taken. Rate of speed can be given as,
[tex]s=\dfrac{d}{t}[/tex]
Here, (d) is the distance travelled by the object and (t) is the time taken but the object to cover that distance.
Nancy ran a distance of 5 km in 30 minutes. There are 60 minutes in one hour. Thus, the time in hour for which Nancy ran is,
[tex]t=\dfrac{30}{60}\\t=0.5\rm\; hr[/tex]
The meters in 5 kilometers is,
[tex]d=5\times1000\\d=5000\rm\; m[/tex]
She ran 5000 kilometers in 0.5 hours. Thus, the speed of her is,
[tex]s=\dfrac{5000}{0.5}\\s=10000\rm\; km/hr[/tex]
Thus, the speed of Nancy who ran a distance of 5 km in 30 minutes is 10000 meters(m) per hour(h).
Learn more about the rate of speed here:
https://brainly.com/question/359790
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