Respuesta :

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Answer:

  1. K= F/∆l
  2. F=K•∆l
  3. ∆l=F/K
  4. so we know that the K is 0.70N/m
  5. the ∆l which is the elongation is 1.5 m
  6. to find the force which is F u have to apply the formula.
  7. by applying the formula you get 1.05N
  8. for the second force you get 3.5N

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