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a car starts from rest and accelerates at a constant rate for a distance of 130m in 7.0 s. At what rate did the car accelerate?

Please help!!

Respuesta :

DragSkipe54ft

Answer:

18.57

Explanation:

Answer:

5.31m/s

Explanation:

  • x = 1/2a*t^²
  • 130 = 1/2a*7²
  • 130 = 1/2a *49
  • 130 = 1/2*49*a
  • 130/0.5*49 = a
  • 130/24.5 = 5.31

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