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21 April, 00:09

What is the potential energy of a spring that is compressed 0.65 m by a 25 kg block if the spring constant is 95 N/m?

1.6 J

7.9 J

15 J

20 J

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  1. 21 April, 00:39
    0
    Answer:20 joules

    Explanation:

    elastic constant (k) = 95 N/m

    extension (e) = 0.65m

    potential energy = (k x e^2) / 2

    potential energy = (95 x (0.65) ^2) / 2 potential energy = (95x0.65x0.65) / 2

    potential energy=40.1375/2

    Elastic potential energy=20.06875

    Elastic potential energy is approximately 20 joules
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