Breadcrumb Home 3A70.15 - Swinging Mass on a Spring Code Number: 3A70.15Demo Title: Swinging Mass on a SpringReferences:Peter F. Hinrichsen, "Nonlinear Oscillator Acceleration and Period Variation with Amplitude", AJP, Vol. 91, #12, Dec. 2023, p. 979.H. M. Lai, "On the Recurrence Phenomenon of a Resonant Spring Pendulum", AJP, Vol. 52, #3, Mar. 1984, p. 219.M. G. Rusbridge, "Motion of the Sprung Pendulum", AJP, Vol. 48, #2, Feb. 1980, p. 146.