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F = ma (Final Problems)
Simple Harmonic Motion
FMA-2018A-25 · 2018A F = ma (AAPT)

2018 F = ma Exam A — Question 25

AliceandBobareworkingonalabreport. Alicemeasurestheperiodofapendulumtobe1.013±0.008s, while Bob independently measures the period to be 0.997±0.016 s. Alice and Bob can combine their measurements in several ways. 1: Keep Alice’s result and ignore Bob’s 2: Average Alice’s and Bob’s results 3: Perform a weighted average of Alice’s and Bob’s results, with Alice’s result weighted 4 times more than Bob
Source: Question 25, 2018 F = ma Exam A, © 2018 American Association of Physics Teachers (AAPT) and the U.S. Physics Team. Adapted by PhysicsTrainer: reformatted into a separate question and answer choices for online multiple-choice practice, with answer choices retyped; any shared setup from nearby questions is repeated here. Not affiliated with or endorsed by AAPT or the U.S. Physics Team.