Question

D=1/2at^2 ; for a
solve for a

Answer 1

a = 2d/t²

Explanation:

1- Divide by 1/2 on both sides:

(d ÷ 1/2 = d × 2/1 = 2d)

2d = at²

2- Divide by t² on both sides:

2d/t² = a

a = 2d/t²

You can do those two steps in one but I made it in two so it's easier to understand.