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24 August, 21:38

A spring has a spring constant of 113 N/m. How much elastic potential energy is stored in the spring when it is compressed by 0.03 m? A:0.23 j B:0.022 j C:0.051 j D: 1.70 j

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  1. 24 August, 21:50
    0
    = 1.7 Joules

    Explanation:

    The electrical potential energy is given by;

    P. E = 1/2 ke²

    Where, k is the spring constant, e is the extension

    Therefore;

    Electrical potential energy = 1/2 * 113 N/m * 0.03 m

    = 1.695 Joules

    = 1.7 J
  2. 24 August, 22:00
    0
    0.051 J

    Explanation:

    K = 113 N/m

    y = 0.03 m

    The elastic potential energy of the system is given by

    U = 1/2 K y^2 = 0.5 x 113 x 0.03 x 0.03 = 0.051 J
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