Question

the if if we measure the distance in kilometres and the time in hours the unit of speed is written as what hour kilometre kilometre per hour kilometre per second or kilometre​

Answer 1

Answer:

kilometer per hour.

Explanation:

we know,

speed=distance / time

unit of speed =kilometer / hour

unit of speed=km/hour or kilometer per hour

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Answer 2

Answer : kilometer per hour

km/h