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Calculating Speed

A cross-country skier can complete a 7.5 km race in 45 minutes. What is the skier's average speed in km/h?


Sagot :

Final answer:

Average speed is calculated by dividing the total distance traveled by the time taken. For a cross-country skier completing a 7.5 km race in 45 min, the average speed is 10 km/h.


Explanation:

Average speed is calculated by dividing the total distance traveled by the time taken. In this case, for the cross-country skier completing a 7.5 km race in 45 min, the average speed can be found by:

Average speed = Total distance / Time taken

Substitute the values:

Average speed = 7.5 km / 0.75 hours = 10 km/h


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