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Homework Help: I want the idea to solve this queation

  1. May 30, 2010 #1
    Hi all

    Q :
    Secretariat ran the Kentucky Derby with times for the quarter mile of 25.2 s , 24.0 s , 23.8 s , and 23.0 s .
    (A) Find his average speed during each quarter-mile segment .
    (B) Assming that Secretariat's instaneous speed at the finish line was the same as the average speed during the final quarter mile , fine his average acceleration for the entire race . ( Hint : recall that horeses in the Derby start from rest )

    I want the idea to solve this queation
  2. jcsd
  3. May 30, 2010 #2


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    Staff Emeritus
    Science Advisor
    Homework Helper

    Use the defining equations for average velocity and average acceleration. The equations should be in your textbook or class lecture notes. You should have posted those equations to begin with!
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