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(20%) Problem 2: A 112.5-kg rugby player is initially running at 7.5 m/s in the positive direction, but collides head-on with a padded goalpost

(20%) Problem 2: A 112.5-kg rugby player is initially running at 7.5 m/s in the positive direction, but collides head-on with a padded goalpost and experiences a backward force of 1.74 x 104 N for 5.3 10-2 s. Calculate the final velocity in the horizontal direction of the rugby player, in meters per second.

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