Question

Make v the subject of the relation KE = ½mv²

Answer 1

`v=\sqrt{(2KE)/(m) }`

Explanation:

`KE = 1/2mv^2`

`KE/1/2=mv^2`

`2KE=mv^2`

`2KE/m=v^2`

`√(2KE/m) =v`