1.

A spring of natural length 2x m is elongated such that its extension is twice its original length. If the force constant(k) of spring is 8 N/m, the potential energy (J) stored in the spring is:

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A spring of natural length 2x m is elongated such that its extension is twice its original length. If the force constant(k) of spring is 8 N/m, the potential energy (J) stored in the spring is:



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