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## Homework Statement

A geosynchronous satellite is one that stays above the same point on the equator of the earth.

Determine the height above the Earth's surface such a satellite must orbit and find it's speed.

## Homework Equations

Fg = GM1M2/r^2

## The Attempt at a Solution

I really don't know where to start, but I thought that maybe I could use the T1^2/R1^3 = T2^2/R2^3 Where T1 = The time period of the moon and T2 = is the time period of the satellite. I don't know if we're suppose to know the distance of the moon to the Earth. Someone please help. My teacher can't teach.