A 70.0 kg70.0 kg ice hockey goalie, originally at rest, has a 0.110 kg0.110 kg hockey puck slapped at him at a velocity of 33.5 m/s.33.5 m/s. Suppose the goalie and the puck have an elastic collision, and the puck is reflected back in the direction from which it came. What would the final velocities ?goalievgoalie and ?puckvpuck of the goalie and the puck, respectively, be in this case? Assume that the collision is completely elastic.

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