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## Homework Statement

A satellite is orbiting at 3000Km above the equator so that's it's angular velocity is the same as Earths. Assuming the Earth to be a sphere of radius 6400Km, estimate the linear velocity of the satellite relative to the centre of the Earth given that the Earth rotates exactly once every 24 hours.

## Homework Equations

## The Attempt at a Solution

This is a problem someone asked me to help with but it's been so long since i was in college i'm finding it hard to remember what equations i should be going for.

Can anyone give me the equations i would need to solve this problem?