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6 September, 06:15

A spring stretches by 18 cm when a bag of potatoes weighing 56 N is suspended from its end. How much elastic potential energy in J is stored in the spring when it is stretched this far?

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  1. 6 September, 06:56
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    Elastic potential energy = 5.04 J

    Explanation:

    Given that

    Extension e = 18 cm = 0.18 m

    Force F = 56N

    Elastic potential energy = 1/2Fe

    Elastic Potential energy = 1/2 * 56*0.18

    Elastic potential energy = 5.04 J
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