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A fly ball is caught in the outfield at the same height that it was originally hit. Over its entire flight the work done by

A fly ball is caught in the outfield at the same height that it was originally hit. Over its entire flight the work done by gravity and the work done by air friction, respectively, are:

  1. 0; positive
  2. positive; negative
  3. 0; negative
  4. negative; positive
  5. negative; negative

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