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Aspringwithaspringconstantof5N/misstretcheduntilextendedby0.9m.Howmuchelasticpotentialenergyisstoredbythespring?Giveyouranswerto2decimalplaces,ifneeded.

Question

Aspringwithaspringconstantof5N/misstretcheduntilextendedby0.9m.Howmuchelasticpotentialenergyisstoredbythespring?Giveyouranswerto2decimalplaces,ifneeded.

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Solution

Claro, aquí tienes la respuesta paso a paso:

  1. Identificar la constante del resorte (k) y la extensión (x):

    • k = 5 N/m
    • x = 0.9 m
  2. Utilizar la fórmula de la energía potencial elástica: E=12kx2 E = \frac{1}{2} k x^2

  3. Sustituir los valores en la fórmula: E=12×5N/m×(0.9m)2 E = \frac{1}{2} \times 5 \, \text{N/m} \times (0.9 \, \text{m})^2

  4. Calcular el cuadrado de la extensión: (0.9m)2=0.81m2 (0.9 \, \text{m})^2 = 0.81 \, \text{m}^2

  5. Multiplicar por la constante del resorte y luego por 1/2: E=12×5N/m×0.81m2 E = \frac{1}{2} \times 5 \, \text{N/m} \times 0.81 \, \text{m}^2 E=2.5N/m×0.81m2 E = 2.5 \, \text{N/m} \times 0.81 \, \text{m}^2

  6. Realizar la multiplicación final: E=2.025J E = 2.025 \, \text{J}

  7. Redondear a dos decimales: E=2.03J E = 2.03 \, \text{J}

Por lo tanto, la energía potencial elástica almacenada en el resorte es de 2.03 J.

This problem has been solved

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