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Using a mobile phone acceleration sensor in physics experiments on free and damped harmonic oscillations

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Figure

Fig. 1. Photograph of the experimental setup showing (1) smart phone, (2) glider, (3) air track, (4) spring, (5) photometer, and (6) the fixed end.
Table I. Parameters and their errors from fitting the acceleration data for free oscillations
Table VI. Comparison of the relaxation time obtained from the measured damping constant, s fit ¼ 1=c, with the relaxation time s d obtained from Eq.

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