Which Kinematics Equation is this?

SOLVE FOR TIME: If your initial velocity in this case is not 0, then the only way to solve "t" is to use the quadratic formula: -(b)+/- sqrt(b^2-4(a)(c)/2a If it was zero, then you would simply solve for it... d=(0)t + 0.5(a)(t)^2 d= 0.5(a)(t)^2 d/0.5= (a)(t)^2 d/0.5(a)=t^2 t= sqrt(d/0.5(a)) SOLVE FOR INITIAL VELOCITY: d=(v)(t) + 0.5(a)(t)^2 d-0.5(a)(t)^2=(v)(t) (d-0.5(a)(t)^2)/t=v.

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