Question

the initial velocity of a particle moving along x axis is u (at t=0 and x=0) and its acceleration a is given by a=kx which of the following equation is correct between its velocity v and position x ? a. v^2-u^2 = 2kx b. v^2=u^2+ 2kx^2 c. v^2 = u^2 +kx^2 d. v^2 + u^2 =2kx