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Lenessa
Lenessa Lenessa
  • 25-08-2015
  • Physics
Answered

A runner achieves a velocity of 11.1 m/s 9 seconds after he begins. What is his acceleration?

Verified Answer :

AL2006
AL2006 AL2006
  • 25-08-2015


Acceleration  =  (change in speed) / (time for the change) =

                           (11.1 m/s - 0 m/s)  /  (9 sec)  =  1.2333... m/s²

That's the magnitude of his acceleration. 

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