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Physics · May / June 2022 · Paper 12 · Question 10

5054Elastic deformation

An elastic spring has an unstretched length of 30 cm. A load of 6.0 N is hung from the spring and the length of the spring is now 66 cm. The 6.0 N load is removed and the spring returns to its original length. A load of 2.0 N is now hung from the spring. What is the new length of the spring?

  1. A22 cm
  2. B40 cm
  3. C42 cm
  4. D52 cm

As printed in the paper

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Correct answer: C. 42 cm

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