- #1

- 61

- 10

This is not an homework but I'd like to express velocity ##v## in this formula :

$$t' = \frac{t}{\sqrt{1-\frac{v^2}{c^2}}} $$

I've found

$$ v^2 = -(\frac{t^2}{t'^2}+1)c^2 $$

I'm sure that is wrong but I don't manage to express ##v## and find the correct answer.

Thanks in advance.