# Lorentz transformation

1. Feb 11, 2010

### jaejoon89

Is there a difference between the Lorentz velocity transformation and the relativistic velocity addition? They give the same result...

2. Feb 11, 2010

### vela

Staff Emeritus
What's the Lorentz velocity transformation?

3. Feb 12, 2010

### raymo39

i think he means $$\sqrt{1-v^2/c^2}$$