A student conducts an experiment to verify that a collision is elastic. The two objects, object I and object Y , travel toward each other, as shown in the gure. The mass and the initial speed of both objects are known. Which of the following equations should the student consider using to verify that the collision is elastic, and why? Equation I: A? = 3'\" Equation I]: E?\" .. E p I Equation m: AK ' K; " Kn