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Momentum question

  1. Nov 17, 2007 #1
    1. The problem statement, all variables and given/known data
    A man (mass 80kg) reaches the edge of a 20m cliff in his car (mass 1600kg) at a speed of 150km/hr. He drives off the edge without a change in velocity.

    Calculate the speed at which he enters the water if he ejects from his car at 50km/yr just as the car reaches the water?
     
  2. jcsd
  3. Nov 17, 2007 #2

    Shooting Star

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    Show what you've done so far.

    Also, the direction of ejection is not mentioned. That is crucial.
     
  4. Nov 17, 2007 #3
    Hmm.....kilometres per year is an interesting unit.
     
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