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January 27, 2015

January 27, 2015

Posted by **ayoola** on Friday, March 1, 2013 at 4:42am.

- physics -
**bobpursley**, Friday, March 1, 2013 at 6:56amsynchronous? Would it travel one revolution per day?

Period=24 hr=24*3600seconds

speed=2PI*radius/period.

Now we know gravity is the attractive force...and it equals centripetal force.

GMeMs/r^2=Ms*v^2/rad

GM3Ms/r^2=Ms (2PI radius/period)^2/radius

and you can solve for orbital radius with a little algebra. Then use that to solve for speed.

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