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soldi70 [24.7K]
2 years ago
6

What would the spring constant (k) need to be for Spring A, if it needed to store as much

Physics
1 answer:
MrRissso [65]2 years ago
7 0

The spring constant needed for spring A to store as much potential energy as B is 1.72

<h3>How to determine the energy of spring B</h3>
  • Spring constant (K) = 0.67 N/m
  • Extention (e) = 0.8 m
  • Energy (E) =?

E = ½Ke²

E = ½ × 0.67 × 0.8²

E = 0.335 × 0.64

E = 0.2144 J

<h3>How to determine the spring constant of spring A</h3>
  • Energy of spring B = 0.2144 J
  • Energy of spring A = Energy of B = 0.2144 J
  • Extention (e) = 0.5 m
  • Spring constant (K) =?

E = ½Ke²

0.2144 = ½ × K × 0.5²

0.2144 = ½ × K × 0.25

0.2144 = K × 0.125

Divide both side by 0.125

K = 0.2144 / 0.125

K = 1.72

Learn more about spring constant:

brainly.com/question/9199238  

#SPJ1

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Answer:

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Explanation:

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              ΔE = 3.4015 eV

Let's use the Planck relation for the energy

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                λ = h c / E

Let's reduce the energy to J

              E = 3.4015 eV (1.6 10⁻¹⁹ J / 1 eV) = 5.4424 10⁻¹⁹

            λ = 6.63 10⁻³⁴  3 10⁸ / 5.4424 10⁻¹⁹

            λ = 3.654 10⁻⁷ m

            λ = 3,654 10⁻⁷ m (10⁹ nm / 1m)

            λ =365.4 nm

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