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## Homework Statement

A 320kg satellite experiences a gravitational force 800N. What is the radius of the satellite's orbit?

## Homework Equations

G m1m2 / d^2

## The Attempt at a Solution

I started with

800N = (G(320kg)(5.98(10^24)kg) / d^2

After some algebra and rounding I ended up with d = 40,000 km. Is that reasonable?