How Do You Calculate Secretariat's Speed and Acceleration in the Kentucky Derby?

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In summary, the conversation is about finding Secretariat's average speed during each quarter-mile segment and his average acceleration for the entire race. The solution involves using the defining equations for average velocity and average acceleration, which can be found in a textbook or class lecture notes. The hint is to recall that horses in the Derby start from rest.
  • #1
r-soy
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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
 
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  • #2
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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