L = 9.8 \left(\frac{4}{2\pi}\right)^2 = 9.8 \left(\frac{2}{\pi}\right)^2 \approx 9.8 \cdot 0.4053 \approx 3.97 \, \text{m}

Tue, 05 May 2026 19:22:36 +0000

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