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  • 16-02-2018
  • Physics
contestada

a football player initially at rest accelerates uniformly as she runs down the field, travelling 17m (E) in 3.8s. What is her final velocity?

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Аноним Аноним
  • 16-02-2018
X - Xo = 0.5(Vo +V)t

Xo cancels because it is 0 (she is at rest) 

17 = 0.5(0+V)3.8 

17 = 1.9V 

Final velocity is 8.94737 m/s 
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