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Homework Help: Catching-up to problem

  1. Mar 10, 2010 #1
    1. The problem statement, all variables and given/known data

    A cheetah can maintain its maximum speed of 100 km/hr for 30.0 seconds. What minimum distance must a gazelle running 80.0 km/hr be ahead of the cheetah to escape?

    2. Relevant equations

    What equation do i start his out with? I'm not even sure what to start lookinf or here.

    3. The attempt at a solution
  2. jcsd
  3. Mar 10, 2010 #2


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    Homework Helper

    Find the relative speed between cheetah and gazelle.
    Then the minimum distance = relative speed X time.
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