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A pitcher throws a 0.75 kg baseball at 30 m/s towards a batter. The batter swings and applies 7000N of force on the ball. The contact time between the bat and the ball is 0.0501s.

  1. Calculate initial momentum of the ball
  2. Calculate the impulse of the bat on the ball
  3. Calculate the final momentum of the ball
  4. Calculate the final velocity of the ball

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