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Springs in Series and Parallel W-a2d
A spring with mass m, two identical springs in parallel with mass 2m, and two identical springs in series with mass m/2 oscillate with the same period. Fishbane Chapter:   6.3 HRW 9th:   15.03 Reese Chapter:   7.3 SJ 3rd Chapter:   12.2 PIRA DCS classification:   3A20.200

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