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## Homework Statement

The gravitational field strength experianced by a satellite orbiting Earth is 4.5 N kg^-1. Calculate how high above the Earths surface the satellite is in orbit.

other info:

the gravitational constant is 6.67x10^-11

the mass of the earth is: 6.0x10^24 kg

the radius of the earth is: 6.38x10^6 m

## Homework Equations

I think you have to use

g= GM / r^2

but the problem is i know to find distance you have to add it to the radius but im really unsure on how to rearrange this to find distance when i already have g.

## The Attempt at a Solution

really not sure :l