The period of a pendulum is T = 2pi l/g, so g = 4pi^2l/T^2. With 1% uncertainty in l and 0.5% in T, the uncertainty in g is:

  1. 1.25%
  2. 1.5%
  3. 0.5%
  4. 2%
Answer

D) 2%

1% + 2 0.5% = 2%. SLO P-11-A-06 · Application

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