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20.0 seconds eqaul how many kilometers
you have to divide it by a time, and that time has to be in seconds
299,792.458 kilometers per second
18,302.2 seconds.
If you walk 3 kilometers in 29 minutes and 50 seconds you walk one mile in 16 minutes.
70 Kilmeters
None do. Any meteor is seen only once, generally for not more than a few seconds. For that reason, they're not named.
Driving 66 meters in 3.7 seconds means you've averaged 64.2 kilometers per hour during that time.
smart
1,391,000 kilometers is about 4.7 light-SECONDS.
All meteoroids that Earth encounters are moving very fast. When they strike the atmosphere their great speed superheats the air around them and they become meteors. The intense heat is enough to vaporize most meteors in a matter of seconds.
1.791666667 hrs.1 hr. 47 minutes 30 seconds