Kilo (K) means 1000 and Kilometre (Km) means 1000 metre.
The metre was invented in France in 1790 for the first time and is, allegedly, one ten-millionth of the distance from the North Pole to the Equator, and has had its official length changed no less than three times since 1790 (the latest being in 1965) and is currently deemed to be 1/299,792,458th of the distance light travels in one second.
www.users.zetnet.co.uk/estatopia/inch.htm
The metre was invented in France in 1790 for the first time and is, allegedly, one ten-millionth of the distance from the North Pole to the Equator, and has had its official length changed no less than three times since 1790 (the latest being in 1965) and is currently deemed to be 1/299,792,458th of the distance light travels in one second.
www.users.zetnet.co.uk/estatopia/inch.htm
No comments:
Post a Comment