Homework Help: Physics-Gravity

Posted by Anna on Saturday, July 17, 2010 at 5:04pm.

A orbiting satellite stays over a certain spot on the equator of (rotating) Pluto. What is the altitude of the orbit (called a "synchronous orbit")?

Do I use T^2=4pi^2/GM x r^3?

Physics-Gravity - drwls, Saturday, July 17, 2010 at 6:25pm
yes. Pluto's rotation period is 6.39 (earth) days. You will also need its mass.
Physics-Gravity - Anna, Saturday, July 17, 2010 at 7:18pm
then how do i get the altitude after i solve for r subtract the radius of pluto?
Physics-Gravity - bobpursley, Saturday, July 17, 2010 at 8:52pm
yes, altitude=r-radiuspluto

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