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Homework Help: Acceleration in one dimension

  1. Jun 19, 2009 #1
    1. The problem statement, all variables and given/known data
    "2 cars C and D travel in the same direction in straight line. During particular time interval t, car D is AHEAD of car C, and D is speeding up while car C is slowing down. During the interval t, it is observed that the distance between the cars decreases. Explain how this is possible and give an example."

    2. Relevant equations

    3. The attempt at a solution

    I don't see how this is possible. If Car C is slowing down, and Car D is speeding up, and same direction, how can the distance between them possible decrease?
  2. jcsd
  3. Jun 19, 2009 #2


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    Homework Helper

    Consider a case where the speeds are initially different.
  4. Jun 20, 2009 #3
    The velocity or starting positions could be initially different
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