Period of a Non-Ideal Spring System
In an experiment with a mass-spring system, a student observes that the period of oscillation increases as the amplitude increases. The collected data shows a period of 1.2 s for a 5 cm amplitude, 1.3 s for an 8 cm amplitude, and 1.5 s for a 12 cm amplitude. Which of the following best explains this observation?
A
The gravitational field strength varied during the experiment
B
The mass was inadvertently changed between trials
C
The spring is not ideal and exhibits nonlinear behavior
D
The period naturally increases with amplitude in SHM
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