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## Homework Statement

A satellite orbits the sun with a period of 2.1 day. What is the radius of its orbit?

## Homework Equations

T=2pi*r/V

## The Attempt at a Solution

If the time is given in days I have to convert to seconds right? Also how would I find velocity would I use V=square root (Gm

_{s}/r)? For some reason gravity has got me confused