Homework Help: Physics

Posted by Elizabeth on Sunday, May 22, 2011 at 10:14pm.

How Fast would a satellite have to move to stay in an orbit 300 miles above the Earths surface?

Physics - bobpursley, Sunday, May 22, 2011 at 10:31pm
set centripetal force= gravity force
mv^2/r= GMe m /r^2

where r is radius Earth+ 300 miles. I could change all that to meters immediately. Look up Mass Earth, Me, and G

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