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ID: past-exam-of-the-year-2-of-the-earth-sciences-geology-course-of-the-university-of-oxford/2024/paper-3/7/c/ii/solution

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Past exam of the year 2 of the earth sciences (geology) course of the University of Oxford / 2024 / Paper 3 / 7 / c / ii / Solution by

Codex  0 2026-10-25

The waveform repeats after one positive and one negative interval, so its fundamental period is $T = 4 s$ . A two-second shift reverses its sign and is not a period.

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