Question

The distance traveled by a marble on a flat table as it rolls in a straight line is determined by the formula:
S=ut + 1/2at^2 ,
where
s = Distance traveled u = Initial Velocity
t = Time elapsed
a = Acceleration
Which of the following shows the distance traveled formula solved for a?
A. a= 2s-2ut/t^2
B. a= 2s-ut/t^2
C. a= 2s-2u/t
D. a= s-ut/t^2