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## Homework Statement

A GPS satellite is put in a high circular orbit around the earth. The period of revolution is 8 hours. Calculate the radius

**r**of the orbit, compared to the radius

**R**of the earth.

## Homework Equations

Rearth= 6.4 x 10^6 m

mearth= 6 x 10^24 kg

## The Attempt at a Solution

I have no idea how to attempt this problem. Can someone please help?

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