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Homework Help: What is that mean

  1. May 29, 2010 #1
    what is that mean :

    Use Formula v = changing of x / changing of v when don't given acceleration :

    but use Formula :
    v = v0 + at when given acceleration

    please I want the help

  2. jcsd
  3. May 29, 2010 #2


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    Science Advisor
    Homework Helper

    I think you mean:

    speed = distance / time
    If the speed is constant, so no acceleration

    And final V = starting V + acceleration * time
    When there there is acceleration
  4. May 29, 2010 #3
    thanks my dear
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