A Kilometre is a mid range unit of linear distance. It is used mainly to indicate the separation of places geographically.
very small ofr tiny things because "milli" means small.
A person's mass, airline [check-in] luggage, sack of potatoes, cereals.
Five things commonly measured in kilometers include the distance between cities, the length of hiking trails, the span of a marathon (42.195 kilometers), the circumference of large geographical features like lakes, and the altitude of high mountains (often expressed in kilometers above sea level). Kilometers are a standard unit of measurement in many countries for both land and air travel.
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.
a flag pole,a truck,
Flour
Paperclips pencap
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.
Measured by mass: apples, books, and bricks. Measured by volume: water, oil, and milk. Measured by length: pencils, ropes, and hair.
Bigger objects like celestial bodies ,Earth ,sun their radius are measured in kilometers .
distance between cities, length of a long beach, height of a commercial flight
Distance.
42,195km
24.31 kilometers = 2,431,000 centimeters