Can't get the correct answer

  • #1
2
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Homework Statement


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Homework Equations




The Attempt at a Solution


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Answers and Replies

  • #2
37
7
Looks like your using the period for pendulum of length L instead of a harmonic oscillator of spring constant k
 
  • #3
kuruman
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Also, you did not use the steady reading of 0.40 kg. This reading is related to the spring constant. (How?)
 

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