When a block of mass M is suspended by a long wire of lenght L, the length of the wire becomes (L + l). The elastic potential energy stored in the extended wire is:

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The correct answer is C: 1/2 Mgl. When a wire stretches under load, elastic potential energy is stored due to the deformation of the material, which can be calculated using the relationship between stress, strain, and the extension. **Step 1: Identify the Elastic Potential Energy Formula** Elastic potential energy stored in a stretc

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