Physics · May / June 2020 · Paper 12 · Question 13
An unstretched elastic cord of length 15.0 cm stretches by 4.0 cm when a weight of 6.0 N is suspended from it. The cord does not exceed the limit of proportionality. What is the total length of the cord when the weight is 3.0 N?
- A2.0 cm
- B7.5 cm
- C9.5 cm
- D17.0 cm
As printed in the paper
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Correct answer: D. 17.0 cm
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