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there are 3600 seconds in an hour and 1000 metres in a kilometre so multiply your 20 by 3600 and divide by 1000 to get kph. You should get 72!

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Q: When there are 20 meters per second then what is its rate in kilometers per hour?
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Related questions

How is a cars speed an example of a unit rate?

A unit rate is simply how we describe speed in this case. Examples: Miles per hour Kilometers per hour Feet per second Meters per second and so on.


What is its rate in kilometers per hour if a car travels at 20 meters per second?

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