A-LevelPhysicsDeformation of solids9702/12 · May/June 2023 · Q191 Mark

A child holds a thin metal wire that is attached to a kite. The graph shows how the extension of the wire varies with its tension. [Figure 19.1] A gust of wind increases the tension from 100 N to 150 N. What is the change in the elastic potential energy of the wire caused by the gust of wind?

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A3.8 mJ

B19 mJ

C34 mJ

D38 mJ

✓ Correct answer

B: 19 mJ

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2023 Paper 1 Variant 2, question 19.

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