Question
Fish are hung on a spring scale to determine their mass. (a) What is the force constant of the spring in such a scale if it the spring stretches 8.00 cm for a 10.0 kg load? (b) What is the mass of a fish that stretches the spring 5.50 cm? (c) How far apart are the half-kilogram marks on the scale?
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Final Answer
  1. 1.23×103 N/m1.23\times 10^{3}\textrm{ N/m}
  2. 6.88 kg6.88 \textrm{ kg}
  3. 4.00 mm4.00 \textrm{ mm}

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OpenStax College Physics for AP® Courses, Chapter 16, Problem 1 (Problems & Exercises)

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