Average distance form earth=384,403,000 meters

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http://en.wikipedia.org/wiki/Moon

average distance form earth=384,403,000meters. Multiply by 2π=2,412,743,158meters
orbital period=27days7hours43.1minutes=114,186sec

This gives 2,412,743,158/114,186=21,130meters/sec linear speed.
Wikipedia says 1,021meters/sec

Where's the mistake?
 
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  • #2
Vanadium 50
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1 day is 86400 seconds, so 27 days can't be 114186 seconds.
 
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Cheers. Was hoping it was my mistake.
 

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