AP Physics 1 7.3: Representing and Analyzing SHM
Represent simple harmonic motion with displacement, velocity, and acceleration, connecting each quantity to position in the oscillation.
- Syllabus
- Effective Fall 2025
- Course
- AP Physics 1: Algebra-Based
Exam points
- Use SHM representations to identify displacement, velocity, and acceleration at positions in an oscillation.
Covered syllabus points
7.3 Representing and Analyzing SHM question 1
(7 points, suggested time 13 minutes)
A tuning fork vibrating at 512 Hz is held near one end of a tube of length L that is open at both ends, as shown above. The column of air in the tube resonates at its fundamental frequency. The speed of sound in air is 340 m/s.
The column of air in the tube is still resonating at its fundamental frequency. On the axes below, sketch a graph of the maximum speed of air molecules as they oscillate in the tube, as a function of position x, from x=0 (left end of tube) to x=L (right end of tube). (Ignore random thermal motion of the air molecules.)
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