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F = ma (Final Problems)
Kinematics
FMA-2019B-18 · 2019B F = ma (AAPT)

2019 F = ma Exam B — Question 18

in the time for a car to complete a race. The car begins with an initial speed v and maintains a constant 0 acceleration a throughout the race. Both v and a have independent uncertainties of 10%. Which 0 contributes greater uncertainty to your estimate of the time for the car to complete the race?
Source: Question 18, 2019 F = ma Exam B, © 2019 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; any shared setup from nearby questions is repeated here. Not affiliated with or endorsed by AAPT or the U.S. Physics Team.