A 0.430-kg hockey puck, moving east with a speed of 2.90 m/s , has a head-on collision with a 0.910-kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed (magnitude of the velocity) of each object after the collision? (Enter your answers numerically separated by a comma.) v'ligther puck,v'heavier puck = ______ m/s What will be the direction of the lighter object after the collision. West or East? What will be the direction of the heavier object after the collision. West or East?