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Constant acceleration

  1. Dec 14, 2011 #1
    1. The problem statement, all variables and given/known data

    A stolen car,travelling at constant speed of 40m/s,passes a police car in a lay-by.The police car sets off three seconds later,accelerating uniformly at 8m/s^2.How long does the car take to intercept the stolen car and how far from the lay-by does this happen?
     
  2. jcsd
  3. Dec 14, 2011 #2
    i have done the same thing but answer is still not matching with the book.the anwer in my book is 12.4seconds and 617m distance
     
  4. Dec 15, 2011 #3
    Answer in the book is correct.
     
  5. Dec 15, 2011 #4

    berkeman

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    Staff: Mentor

    Please show your work so that we can help you.
     
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