Ayoung 34-kg ice hockey goalie, originally at rest, catches a 0.145-kg hockey puck slapped at him at a speed of 34.5 m/s. in this problem, take the original direction of the puck as positive. show answer incorrect answer 50% part (a) suppose the goalie and the ice puck have an elastic collision and the puck is reflected back in the direction from which it came. what would the final velocity of the puck, in meters per second, be in this case?