If you were traveling at 1,000 meters per second then how fast did you go (in km/h) in half an hour? (and your speed never changed)
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
step 1. to get what is 1,000 meters per second into 1 hour (that`s 3,600) step 2. then you divide that by 2 then... bingo!!! you have 1,800