A Kilometre is a mid range unit of linear distance. It is used mainly to indicate the separation of places geographically.
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very small ofr tiny things because "milli" means small.
A person's mass, airline [check-in] luggage, sack of potatoes, cereals.
Divide speed by time. In this case, you get (kilometers / hour) / hour, or kilometers/hour2. That means, how much does the speed change in an hour.
It is not likely that a tall building would be measured in kilometers. Actually the tallest building in the world is only 829.8 meters which is known as Burj Khalifa in Dubai. Buildings are commonly measured in feet or meters.
a flag pole,a truck,
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Flour
road
very small ofr tiny things because "milli" means small.
amount of air, liquid
A person's mass, airline [check-in] luggage, sack of potatoes, cereals.
Bigger objects like celestial bodies ,Earth ,sun their radius are measured in kilometers .
Speed is a rate often measured in kilometers per hour.
The density of an object is measured in kilograms and kilometers.
distance between cities, length of a long beach, height of a commercial flight
Distance.
42,195km