Two identical pucks collide on an air hockey table. One puck was originally at rest. (a) If the incoming puck has a speed of 6.00 m/s and scatters to an angle of 30.0º, what is the velocity (magnitude and direction) of the second puck? (You may use the result that θ1 − θ2 = 90º for elastic collisions of objects that have identical masses.) (b) Confirm that the collision is elastic. (Initial KE= Final KE)

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