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8 January, 23:24

A compressed spring has 16.2 J of elastic potential energy when it is compressed 0.30 m. What is the spring constant of the spring?

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  1. 8 January, 23:32
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    It is equal to the work done to stretch the spring, which depends upon the spring constant k as well as the distance stretched. It is expressed as:

    PE = W = 1/2 (kx^2)

    16.2 = 1/2 (k (0.30) ^2)

    k = 360 J/m^2

    Hope this answers the question. Have a nice day.
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