Question

How do you solve for vf in `d=1/2(vf+vi)t`?

Answer 1

`color(blue)(vf) = (2d)/t - vi`

Explanation:

`d = 1/2 ( color(blue)(vf) + vi) t`

Isolating `color(blue)(vf`

`d xx 2 = (color(blue)(vf) + vi) t`

`(2d)/t= color(blue)(vf) + vi`

`color(blue)(vf) = (2d)/t - vi`