Re arrange the formula to make v the subject

Answer:
[tex]v = \sqrt{ \frac{2 e}{m} } [/tex]
Explanation:
[tex]e = \frac{1}{2} m {v}^{2} [/tex]
[tex]e = \frac{m {v}^{2} }{2} [/tex]
[tex]2e = m {v}^{2} [/tex]
[tex] \frac{2e}{m} = {v}^{2} [/tex]
[tex] \sqrt{ {v}^{2} } = \sqrt{} \frac{2e}{m} [/tex]
[tex]v = \sqrt{ \frac{2e}{m} } [/tex]