Physics Guide
Sign in
Back to Problems
F = ma (Final Problems)
Dimensional Analysis
FMA-2012-22 · 2012 F = ma (AAPT)

2012 F = ma Exam — Question 22

22. The softest audible sound has an intensity of I0 = 10−12 W/m2. In terms of the fundamental units of kilograms, meters, and seconds, this is equivalent to
Source: Question 22, 2012 F = ma Exam, © 2012 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.