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Contents » A 81.0-kg ice hockey goalie, originally at rest, catches a 0.150-kg hockey puck slapped...

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A 81.0-kg ice hockey goalie, originally at rest, catches a 0.150-kg hockey puck slapped at him at a velocity of 28.0 m/s. 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 is the final velocity of the goalie?

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